Sue Belinda Giblin (born 2 March 1950) professionally billed as Belinda Giblin, is an Australian actress who has played prominent roles in theatre and television soap operas, and several feature films.
Giblin's television roles include Kay Webster in The Box (1974-1975); Sister Sue Marriott in The Sullivans (1977–1978); and Alison Carr in Sons and Daughters (1985-1987). She has also had two stints in Home and Away, first briefly as Cynthia Ross in 1991, then as a more long term role of Martha Stewart, the long-presumed-dead wife of Alf Stewart, a role she played on a recurring basis from 2018 to 2022.
Early life Giblin was born in Tamworth, New South Wales to Phyllis and Ted. She has two older brothers Ted Jnr. and Graham, and a younger sister Allison. Her father Ted was a doctor at the Tamworth Base Hospital. Her mother ran the dramatic society, and acted and directed in productions. She died of breast cancer when Belinda was 23; her father died when he was 83.
Giblin later recalled that her first stage role was playing Buttons in Cinderella, a school play. "It was the first in a string of boy roles I played throughout my childhood."Cassie Tongue, 'A Quick Chat With Belinda Giblin, star of Blonde Poison' AussieTheatre.Com 2015 https://www.aussietheatre.com.au/features/20-questions/a-quick-chat-with-belinda-giblin-star-of-blonde-poison She was offered a scholarship to the Australian Ballet School when she was 17, but chose to study arts at the University of Sydney. She then studied at the National Institute of Dramatic Art, before leaving after a year to practise her craft.Jo Litson, "The Face: Belinda Giblin", Weekend Australian, 27–28 April 2002, Review, R3 In 2015 she told Cassie Tongue at AussieTheatre.Com that 'the first professional acting work I did was playing young boy roles for ABC radio.'
Career Giblin appeared in the risqué, satirical 1970s soap opera The Box as Kay Webster, a role she reprised in the film based on the series in which the character used her married name, Kay Webster-Brooks. She also starred in the 1980s melodrama Sons and Daughters as Alison Carr. The Alison Carr character was revealed to be the post-plastic surgery incarnation of the show's original and much vaunted villain, 'Pat the Rat' – Patricia Hamilton, originally played by Rowena Wallace. Giblin was cast in the role because of her resemblance to Wallace.Albert Moran and Chris Keating
Giblin featured in numerous series made by Crawford Productions, over a 12-year period early in her career. These included Matlock Police, Division 4, Homicide, The Sullivans, Bluey (1976) and Skyways,. Aside from Crawford shows, she has been seen in Alvin Purple (1976), Heartbreak High, and Good Guys, Bad Guys, as well as Home and Away in which she played Cynthia Ross in 1991 and Martha Stewart, the first wife of regular Alf Stewart, from 2018.
Since 2013, she has also guest starred in The Horizon, a gay shortform web series on YouTube, as Wilma (the drag queen's) mother.
In 2015, Giblin received acclaim and a nomination for Best Actress at the Sydney Theatre Awards for her role as Stella Goldschlag in Blonde Poison in a range of performances across Australia.John Bailey, 'Belinda Giblin plays Gestapo 'greifer' in gripping solo show Blonde Poison' Sydney Morning Herald https://www.smh.com.au/entertainment/theatre/belinda-giblin-plays-gestapo-greifer-in-gripping-solo-show-blonde-poison-20160516-gow3z0.html The Gail Lowe play is a one-woman show about a Jewish woman who became a Nazi collaborator during World War II.
In 2017, she appeared as Babs DeVure in Bent 101, an Australian short form comedy series that was on the Seven Network.
On 9 February 2026, Giblin was named in the cast for the Australian tour for Steel Magnolias.
Giblin also works as a corporate trainer.
Personal life
Giblin has been married to Axel Bartz (a set designer) since around 1984. She was performing in a theatre production Bedroom Farce when it came to Adelaide and Bartz was the resident designer of the Adelaide Theatre Company. She has two children, Romy and Nicholas, and lives in Leichhardt. Her father-in-law was in the German music corps.
Filmography
Film Year Title Role Type 1971 Sacrifice Girl Film short 1974 Petersen Moira Feature film 1975 The Box Kay Webster-Brooks Feature film 1975 End Play Margaret Gifford Feature film 1979 Alison's Birthday released 1981 Isobel Thorne Feature film 1985 The Empty Beach Marion Singer Feature film 2002 Spur Film short 2003 At The Edge of the Bed The Wife Film short 2008 Not Quite Hollywood: The Wild, Untold Story of Ozploitation! Self Feature film documentary 2018 Stille Nacht Mother Film short 2021 Venus & Adonis Queen Elizabeth 1st Feature film 2022 A Stitch in Time Christine Feature film
Television Year Title Role Type 1971 GTK Self - Actress as Girl 'Sacrifice' film TV series, 1 episode 1972 The Spoiler Guest role TV series, 1 episode 1973 Odyssey TV pilot 1973; 1975 Matlock Police Guest roles: Jessica Fielding / Tracey TV series, 2 episodes 1973 Homicide Guest role: Niki TV series, episode 408: "As Simple As ABZ" 1973 The Box Regular role: Kay Webster TV pilot 1974-1975 The Box Regular role: Kay Webster / Kay Webster-Brooks TV series, 193 episodes 1975 Quality of Mercy Guest role: TV series, 1 episode: "Papa" 1975 Division 4 Guest role: TV series, 1 episode 1975 Whose Nude... Who Cares? Self - Actress in scene as Kay Webster from The Box TV documentary 1976 Alvin Purple Guest role: Monique TV series, episode 11: "O Death, Where Is Thy Sting?" 1976 Who Do You Think You Are? Guest role TV series, 1 episode 1977 Bluey Guest role: Sergeant Tracey Alexander TV series, episode 25: "It's Worth the Risk" 1977-1978 The Sullivans Recurring role: Sister Sue Marriott TV series, 106 episodes 1977 Say You Want Me Julie Crosby TV movie 1978 Chopper Squad Guest role: Gail TV series, episode 12: "Dangerous Weapon" 1978 Case for the Defence Guest role: Terri Simpson TV series, episode 4: "The Man Who Died Twice" 1978 Ripkin Teleplay (screened as Stuart Wagstaff’s World Playhouse series) 1978 Demolition Faith Camden TV movie 1979-1981 Cop Shop Guest roles: Cheryl Haywood / Roxanne Patton / Fiona Bradley TV series, 5 episodes 1979-1980 Skyways Recurring role: Christine Burroughs TV series, 12 episodes 1980 Bellamy Guest role: Julie TV series, episode 7: "Daring Young Man" 1981 A Sporting Chance Guest role: Claire Bartlett TV series, episode 6: "A Full House" 1983 A Country Practice Guest role: Zoe Parker TV series, episodes 37 & 38: "Still Life" 1984 Carson's Law Guest role: Myra Atridge TV series, episode 125: "An Anxious Advocate" & episode 126: "The Devil’s Work" 1984 Crime of the Decade Jane Fletcher TV movie 1984 Hospital TV Pilot 1985 The Man in the Iron Mask Self - Voice Animated TV film 1985 Winners - On Loan Marj TV film 1985–1987 Sons and Daughters Regular role: Alison Carr TV series, seasons 4–6; 316 episodes 1991 Home and Away Recurring role: Cynthia Ross TV series, season 4, 11 episodes 1995–1996 Heartbreak High Recurring role: Suzie Miller TV series, Seasons 2 & 4, 4 episodes 1997 Good Guys, Bad Guys Loretta Monk TV series, pilot episode: "Only the Young Die Good" 1998 Home and Away Guest role: Catherine Clements TV series, season 11, 1 episode 2003 MDA Guest role: Renee Salmon TV series, season 2, episode 9: "Crossing the Line" 2004 Out There Guest role: Aging Movie Queen TV series, season 2, episode 3: "This Just In" 2013–2015 The Horizon Recurring role: Yvonne Forbes YouTube web series; season 2 2017 Bent 101 Babs De Vure TV series 2018–2022 Home and Away Recurring role: Martha Stewart TV series, Seasons 31–35 2019 Home and Away: Christmas In Summer Bay Self - Actress as Martha Stewart TV miniseries, 2 episodes 2025 Optics Regular role: Meredith Laughton ABC TV series
Theatre Year Title Role Type 1970 You Can't Take It With You Alice Sycamore UNSW Old Tote Theatre 1971 Miss Jairus Jane Street Theatre with NIDA 1971 Girl in the Freudian Slip 1972 The Removalists 1972 The Anniversary 1975 Bloody Harry Independent Theatre 1976 Martello Towers Jennifer Martello Nimrod Upstairs 1979 Bedroom Farce Jan Her Majesty's Theatre & Adelaide 1980 Quadraphrenia Marion / Jenny Playbox Theatre, Melbourne 1979 Errol Flynn's Great Big Adventure Book For Boys 1982 The Anniversary Phillip Street Theatre 1984 The World is Made of Glass Emma St Martins Theatre Melbourne 1984 Taking Steps Ensemble Theatre 1988 Move Over Mrs Markham Glen Street Theatre 1989-1990 How the Other Half Loves Glen Street Theatre, Laycock Street Theatre, University of Sydney, Footbridge Theatre 1990 Henceforward Marian Street Theatre 1990 The Increased Difficulty of Concentration 1992-1994 Steaming Josie Australian national tour with Garry Penny Productions 1993 Canaries Sometimes Sing Marian Street Theatre 1993 Reflected Glory Ensemble Theatre 1994-1995 The Wild Party Lookout Theatre, Woollahra, Mietta's Melbourne 1995 How the Other Half Loves Marian Street Theatre 1996 Blithe Spirit Elvira Suncorp Theatre, Brisbane with QTC 1997 Same Time Another Year Doris Nambour Civic Centre with Perth Theatre Company 1998 Social Climbers 1998 Bell, Book and Candle 1999 Things We Do For Love Marian Street Theatre 2001 Noises Off Belinda Playhouse, Sydney Opera House with Ensemble Theatre 2002 Wicked Sisters Lydia Stables Theatre with Griffin Theatre Company 2002 The Vagina Monologues The Actress 2003 Love Child Anna Stables Theatre 2003 Scam Sonia / Beth Belvoir Theatre Company 2004 Away Gwen STC 2005-2007 The Shoe-Horn Sonata Sheila Australian national tour 2005 The Q Story Q Theatre, Penrith 2007 Dinner Paige Stables Theatre with Griffin Theatre Company 2009 Absurd Person Singular Marion Ensemble Theatre 2014 Dark Voyager Hedda Hopper Ensemble Theatre 2014 Daylight Saving Bunty Darlinghurst Theatre Company 2015-2016 Blonde Poison Sheila Old Fitzroy Theatre, The Studio, Sydney Opera House, Southbank Theatre 2016 The Turquoise Elephant Olympia Stables Theatre with Griffin Theatre Company 2017 Doubt Sister Aliysius Old Fitzroy Theatre 2019 John Mertis Katherine Graven Seymour Centre 2018 Ear to the Edge of Time Geraldine Sport for Jove 2019 Happy Days Winnie Redline Theatre Co 2020 Family Values Sue Stables Theatre with Griffin Theatre Company 2022 Ghosting the Party Grace Stables Theatre 2022 Amadeus Venticelli Red Line Productions 2023 Suddenly Last Summer Mrs Violet Venable Ensemble Theatre 2023 The Weekend Adele Belvoir Theatre Company 2023 Venus and Adonis Queen Elizabeth Seymour Centre with Sports for Jove2026Steel MagnoliasOuiserAustralian Tour
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