Jack Grinnage (born Jack Eugene Stewart, January 20, 1931) is an American actor with a film and television career spanning seven decades, including roles in Rebel Without a Cause (1955), King Creole (1958), and Kolchak: The Night Stalker (1975).
Life and career Born in Los Angeles, Grinnage made his first television appearances in 1954. The following year, he played Moose – one of three teenage rebels who chase James Dean – in Rebel Without a Cause (1955). Rebel Without a Cause was his first film where he received a screen credit.Interview with Jack Grinnage at Maarten Blogspot
Grinnage continued to play supporting roles or bit parts in films like King Creole (1958) with Elvis Presley (in a crucial role as a mute gang member), Spartacus (1960, his role went uncredited) and The Private Navy of Sgt. O'Farrell (1968). He also played an errant but sympathetic boy in the Twilight Zone episode “The Mind and the Matter”. In 1961, he appeared in the Broadway musical The Billy Barnes People.Jack Grinnage at the Internet Broadway Database
Between 1974 and 1975, he had a supporting role as Independent News Service reporter Ron UpdykeInterview with Jack Grinnage at the Simon Oakland Tribute Site in the mystery series Kolchak: The Night Stalker. In 2009, Grinnage played the role of Marvell, the replacement janitor, in two episodes of Scrubs, “My Jerks” and “My Happy Place”, both of which aired in season 8. His most recent credit is the television series The Kids Are Alright (2018).
Filmography Film Year Title Role Notes1955 Interrupted Melody Corp. Michael Watkins Uncredited1955 Rebel Without a Cause Moose 1955 Lady Godiva of Coventry Blacksmith's Son Uncredited1956 Crashing Las Vegas Bellboy Uncredited1956 Gaby Bit Role Uncredited1958 Wink of an Eye Delivery Boy 1958 King Creole Dummy 1958 Wolf Larsen Leach 1959 Riot in Juvenile Prison Dink, an inmate 1960 Spartacus Petitioner Uncredited1963 A Ticklish Affair Seaman Uncredited1963 Captain Newman, M.D. Patient Uncredited1965 The Monster. Serie TV. Mr.Walpole 1968 The Private Navy of Sgt. O'Farrell Pvt. Roberts 1970 The Liberation of L.B. Jones Driver 1972 Glass Houses 1978 Zero to Sixty Airport Manager 2009 Acts of Mercy Television Year Title Role Notes1954 Father Knows Best Claude 1 episode1954 Meet Corliss Archer Biltwell Salesboy 1 episode1957-1958 The Silent Service Editor Gaffney / Karley / Small Man 3 episodes1958-1964 Wagon Train Jubal Devlin / Sampson / Guard - Warren Mitchell 3 episodes1959-1966 Gunsmoke Gorman / Gus Blake / Raffie Bly / Andy Wirth 4 episodes1961 The Twilight Zone Henry 1 episode1966 The Beverly Hillbillies Co-pilot 1 episode1969 Ironside Movie Theatre Doorman 1 episode, Uncredited1974 Crackle of Death Ron Updyke TV movie, (archive footage)1974-1975 Kolchak: The Night Stalker Ron Updyke 18 episodes1978 Lou Grant Clerk 1 episode1983 Hotel Tom Willis 2003 Six Feet Under Minister 1 episode2009 Scrubs Marvell 2 episodes2013 Ghost Ghirls Wally 1 episode2018 The Kids Are Alright Very Old Husband 1 episode
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