John Mahon
John Patrick Mahon (February 2, 1938 - May 3, 2020) was an American film, stage and television actor. He was known for Armageddon (1998), L.A. Confidential (1997) and Zodiac (2007).
When a charming 12-year-old girl takes on the characteristics and voices of others, doctors say...
Movie pageZodiac
as Riverside CaptainThe zodiac murders cause the lives of Paul Avery, David Toschi and Robert Graysmith to intersect.
Movie pageWhen an asteroid threatens to collide with Earth, NASA honcho Dan Truman determines the only way...
Movie pageWhen diabolical genius Dr. Evil travels back in time to steal superspy Austin Powers's ‘mojo,’...
Movie pageThree detectives in the corrupt and brutal L.A. police force of the 1950s use differing methods...
Movie pageThe American President
as Chairman of the Joint ChiefsWidowed U.S. president Andrew Shepherd, one of the world's most powerful men, can have anything...
Movie pageThe People Under the Stairs
as Police SergeantTrapped inside a fortified home owned by a mysterious couple, a young boy quickly learns the...
Movie pageOne False Move
as Chief JenkinsFollowing a series of drug deals and murders, three criminals -- Fantasia, Ray Malcolm and Pluto...
Movie pageSomeone's Watching Me!
as FrimsinA young woman moves to a high-rise apartment building and soon begins to be tormented by an...
Movie pageVictims for Victims: The Theresa Saldana Story
as uncreditedBefore stalking was a well-known crime in North America, there was Theresa Saldana's story. A...
Movie pageThe Couch Trip
as Police CaptainThe escaped delinquent John W. Burns, Jr. replaces Dr. Maitlin on a radio show, saying he's the...
Movie pageCollision Course: Truman vs. MacArthur
as Gen. Hoyt VandenbergU.S. President Harry S Truman and his commander in the Korean War, General Douglas MacArthur,...
Movie pageJust Ask My Children
as Judge FergusonBased on the true story of a modern-day witch hunt, in which a couple is falsely accused and...
Movie pageFinal Shot: The Hank Gathers Story
as LMU CoachChronicling the short but eventful life of Hank Gathers (played by Donny B. Lord as a child and...
Movie pageSix Against the Rock
as Officer Bill MillerIn May of 1946, Alcatraz inmate Bernie Coy initiates a carefully thought out plan to escape the...
Movie pageA Killing Affair
as Det. ShoupA white female detective is partnered with a black male detective to find the person who is...
Movie pageBetrayed by Innocence
as BailiffA married commercial filmmaker (Barry Bostwick) is charged with statutory rape when it is...
Movie pageA Call to Arms
as Major General Cosgrove USMCA documentary which traces the controversial Anthrax Vaccine Immunization Program (AVIP) in the...
Movie pageFrasier
as Walt CraneAfter many years spent at the “Cheers” bar, Frasier moves back home to Seattle to work as a...
TV Show pageThe X-Files
as General WegmanThe exploits of FBI Special Agents Fox Mulder and Dana Scully who investigate X-Files:...
TV Show pageJAG
as Admiral RockerlyHarmon "Harm" Rabb Jr. is a former pilot turned lawyer working for the military's JAG (Judge...
TV Show pageMacGyver
as VendorHe's everyone's favorite action hero... but he's a hero with a difference. Angus MacGyver is a...
TV Show pageBaywatch
as Arnold AndersonJoin the Baywatch lifeguards on their thrilling adventures filled with beautiful beaches and...
TV Show pageDiagnosis: Murder
as Fire ChiefDr. Mark Sloan is a good-natured, offbeat physician who is called upon to solve murders.
TV Show pageKnight Rider
as Alfie GirdlerMichael Long, an undercover police officer, is shot while investigating a case and left for dead...
TV Show pageStar Trek: Enterprise
as Admiral GardnerDuring the mid-22nd century, a century before Captain Kirk's five-year mission, Jonathan Archer...
TV Show pageCrossing Jordan
as Police CaptainCrossing Jordan is an American television crime/drama series that stars Jill Hennessy as Jordan...
TV Show pageSt. Elsewhere
as Police OfficerSt. Elsewhere is an American medical drama television series that originally ran on NBC from...
TV Show pageThe Rockford Files
as Todd MorrisCranky but likable L.A. PI Jim Rockford pulls no punches (but takes plenty of them). An ex-con...
TV Show pageThe Rockford Files
as Victor ShermanCranky but likable L.A. PI Jim Rockford pulls no punches (but takes plenty of them). An ex-con...
TV Show pageKnots Landing
as SurveillantThe domestic adventures, misdeeds and everyday interactions of five families living on a...
TV Show pageKnots Landing
as SuperiorThe domestic adventures, misdeeds and everyday interactions of five families living on a...
TV Show pageKnots Landing
as InvestigatorThe domestic adventures, misdeeds and everyday interactions of five families living on a...
TV Show pageAngel
as Trevor LockleyThe vampire Angel, cursed with a soul, moves to Los Angeles and aids people with...
TV Show pageHill Street Blues
as Detective McConnellA realistic glimpse into the daily lives of the officers and detectives at an urban police station.
TV Show pageHill Street Blues
as MarioA realistic glimpse into the daily lives of the officers and detectives at an urban police station.
TV Show pageZoey 101
as Mr. BradfordZoey 101 is an American television series which originally aired on Nickelodeon from January 9,...
TV Show pageTouched by an Angel
as WallyMonica, an angel, is tasked with bringing guidance and messages from God to various people who...
TV Show pageThe Pretender
as Eugene ClarkRaised in a secret facility built for experimenting on children, Jarod is a genius who can...
TV Show pageJake and the Fatman
as JamesonJake and the Fatman is a television crime drama starring William Conrad as prosecutor J. L....
TV Show pageScarecrow and Mrs. King
as uncreditedScarecrow and Mrs. King is an American television series that aired from October 3, 1983, to May...
TV Show pagePolice Woman
as FiremanSergeant “Pepper"” Anderson, an undercover cop for the Criminal Conspiracy Unit of the Los...
TV Show pageHunter
as I.A.D. Officer #2Hunter is an American police drama television series created by Frank Lupo, and starring Fred...
TV Show pageKojak
as LawtonA bald, lollipop sucking police detective with a fiery righteous attitude battles crime in New...
TV Show pageKojak
as I. A. D. ManA bald, lollipop sucking police detective with a fiery righteous attitude battles crime in New...
TV Show pageJust Shoot Me!
as Col. Alan DrakeJust Shoot Me! is an American television sitcom that aired for seven seasons on NBC from March...
TV Show pageProfiler
as Det. SpitzRachel Burke is a criminal profiler, one of the best, actually. She, along with a sophisticated...
TV Show pageCrazy like a Fox
as Lt. DoyleCrazy Like a Fox is an American television series set in San Francisco, California, that aired...
TV Show pageCrazy like a Fox
as ZachCrazy Like a Fox is an American television series set in San Francisco, California, that aired...
TV Show pageManimal
as ManJonathan Chase was a British college professor at New York University who had the unusual...
TV Show pageMisfits of Science
as TechnicianA superhero fantasy television series featuring super-powered humans and their madcap adventures.
TV Show page