Roark Grant Critchlow (born May 11, 1963) is a Canadian actor. He is known for starring as Dr. Mike Horton on the American daytime soap opera Days of Our Lives from 1994 to 1999.

Career From 1994 to 1999, Critchlow starred on the American daytime soap opera Days of Our Lives as Dr. Mike Horton. On June 23, 2010, Roark returned briefly to Days of Our Lives in the role of Dr. Mike Horton. He reprised the role once again on October 4, 2022. He also had a recurring role on the soap Passions in 2003.

Critchlow was in the television film The Perfect Husband: The Laci Peterson Story the Lifetime made-for-TV movie Pregnant at 17 as well as appearing in the Nickelodeon series Drake & Josh as Dr. Glazer. He also portrayed Zoey Brooks' father in Zoey 101. Roark has had smaller roles in movies like Mr. Deeds with Adam Sandler and TV shows such as Street Justice, Malcolm in the Middle, Entourage, Highlander: The Series, Afterworld and Friends. In 2009, he appeared in an episode of the re-imagined Battlestar Galactica. He also appeared in the 2009 movie Hydra as Sean Trotta. Critchlow recently had a recurring role on the science fiction TV show V and on the ABC Family drama television series Pretty Little Liars, where he played Tom Marin, the father of Hanna Marin. He guest starred on Charmed, in which he played a man with the sin of greed.

Personal life Critchlow was born in Calgary, Alberta, Canada and grew up in Summerland, British Columbia. He was a theater major at the University of Victoria, and married Maria Brewer in 1990, with whom he produced and co-starred in Making it Home. They have three children. They divorced in 2006. Critchlow enjoys many sports and was named after Howard Roark, a character in the book The Fountainhead.

Filmography + Television and film rolesYearTitleRole Notes198921 Jump StreetDave Gibson/Ro1990CadenceBrooksFilm1990 The New Adventures of the Black StallionJohnny King1990Neon RiderGarth1990BordertownJake Andrews / Walter Zachuck1991 The CommishBobby Sturdivant1992Street JusticeJerry Mitchell1992 The Comrades of SummerPetra1992 The Round Table1992 The Man UpstairsBoy Scout Leader1992Call of the WildArthur1994CobraDeputy Beauford1994HighlanderJason Talbott1994–1999, 2010, 2022, 2025Days of Our LivesDr. Mike Horton1996FriendsDr. Mike Horton1998Making it HomeJoseph Catwood2000How to Marry a Billionaire: A Christmas TaleGunther2001V.I.P.Peter Stiles2001CharmedRobert Pike Episode: "Sin Francisco"2001Hollywood 7President of CBL Records2001Asylum DaysYann Castor2002Mr. DeedsWilliamFilm2003View From The TopTennis ProFilm; uncredited2003HunterMike Gambley2003Joan of ArcadiaTV Anchorperson2003PassionsDr. Ackland2004Creating America's Next Hit Television ShowDucky #12004 The Perfect Husband: The Laci Peterson StoryTodd DeweyTelevision film2004Buds for LifeRobert Jamison2004Drake & JoshDr. Glazer2005Ghosts Never SleepAnchor Garrett2005Komodo vs. CobraMajor Garber2005EntourageMandy's Manager2005Meet the SantasMark2005Zoey 101Mr. Brooks2006Las VegasJerry Ackerman2006Malcolm in the Middle Vince200618 Fingers of Death!Lew JamesonDirect-to-video film2006Pepper DennisADA Robbins2006 The Last StandYuppie Lawyer2006AI AssaultDaryl Cage2006PetrifiedBuzz YorkDirect-to-video film2007EyesAgent Greg Palmer2007 The Bold and the BeautifulArthur Harrison2007CSI: MiamiDoug Lansing2007Bone EaterDeputy Roberts2007Point of EntryRichard Alden2008AfterworldRussell Shoemaker2008Urban DecayCameron2008On the Bench!Shane2008Turbo Dates2009HydraSean Trotta2009Battlestar GalacticaSlick2009 A View From HereRobert2009Mending FencesRobert2010 The MentalistMike Brewster2011NCISWayne Grossman2011VA.D. Paul Kendrick2011Batman: Year OneHare KrishnaFilm; voice role2011Earth's Final HoursArnett2012Cupid, Inc.Rick2012Drop Dead DivaAnton Horn2012True BloodthirstKovacs2012FlashpointStaff Sgt. Matt McGrath2012 The Twelve Disasters of ChristmasKaneTelevision film2012Republic of DoyleShane Garrett2013ScavengersWake2013Dear SidewalkMark2013Mr. WestBogdan2014SEAL PatrolDr. Whitmore2014ArrowClinton Hogue2014Cedar CoveDan Sherman2014By God's GraceBill Watson2014SupernaturalRandy2015Pretty Little LiarsTom Marin2015 A Dangerous ArrangementDaniel2015UnREALBrooks Mackey2015Mother of All LiesJason Caskie2015Murdoch MysteriesCharles Cutter2016Murder, She Baked: A Peach Cobbler MysteryDouglasTelevision film2016Heartland2016Pregnant at 17JeffTelevision film2017Paradise Inc.2017 The LayoverRoger2017Tin StarInspector Benoit Lehane 2018 Santa's Boots John Monroe Television film (Hallmark)2023 The Professional Bridesmaid Evan Shepard Television film 2021 Debbie Macomber's A Christmas Miracle Michael Television Film 2024Don't Scream, It's meLMN movie2024Searching for a serial killer: The Regina Smith StoryLMN story

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