
Person
Randolph Mantooth
Acting · 1945–2026 · Sacramento, California, USA
Biography
Randy DeRoy Mantooth (September 19, 1945 – July 9, 2026), known professionally as Randolph Mantooth, was an American actor who worked in television, documentaries, theater, and film for more than 50 years. A graduate of the American Academy of Dramatic Arts, he was discovered in New York by a Universal Studios talent agent while performing the lead in the play Philadelphia, Here I Come! After signing with Universal and moving back to California, he slowly built up his resume with work on such dramatic series as Adam-12 (1968); Marcus Welby, M.D. (1969); McCloud (1970), and Alias Smith and Jones (1971). Mantooth portrayed paramedic John Gage in the 1970s medical drama Emergency! and spoke regularly at Firefighter and EMS conferences and symposia across the United States while maintaining an active acting career. He was a spokesperson for both the International Association of Firefighters [IAFF] and the International Association of Fire Chiefs [IAFC] for firefighter health and safety, and was honored over the years with numerous awards and recognition. He appeared in numerous films and television series in lead and supportive roles including miniseries adaptations of Testimony of Two Men (1977) and a starring role as Abraham Kent in The Seekers (1979). Through the 1990s and 2000s, he appeared in daytime soap operas, earning him four Soap Opera Digest Award nominations. He frequently returned to performing in theatrical productions. He served as an associate artist at Jeff Daniels' Purple Rose Theatre. His performances include Mark Kaufman's Evil Little Thoughts, Black Elk Speaks, Carey Crim's Morning after Grace, Lanford Wilson's Rain Dance, and numerous works by Native American playwrights including William S. Yellow Robe Jr.
Known for

Criminal Minds
Patrick Gless

ER
Policeman (uncredited)

Dallas
Joe Don Ford

The Love Boat
Alan Billingsley

Ghost Whisperer
2005

JAG
Ron Barret

Sons of Anarchy
Charlie Horse

Murder, She Wrote
Raymond Two Crows

MacGyver
Earl Stringer

Diagnosis: Murder
Mayor Bill Tremont
Filmography
- 2013Killer HolidayDetective Bodrogi
- 2010Bold NativeRichard Cranehill
- 2010Scream of the BikiniAmbasador Cartwright
- 2008Sons of AnarchyCharlie Horse
- 2007He Was a Quiet ManDr. Willis
- 2007Fire SerpentDutch Fallon
- 2006Price To PayBert
- 2005Ghost Whisperer
- 2005Criminal MindsPatrick Gless
- 2000Agent RedAdmiral Edwards
- 2000Time ShareKen Crandall
- 1999Where Are They Now?Self
- 1999Enemy ActionSolonsky
- 1996Promised LandBen Camden
- 1995The City
- 1995JAGRon Barret
- 1994ERPoliceman (uncredited)
- 1993Diagnosis: MurderMayor Bill Tremont
- 1993Walker, Texas RangerJames Lee Crown
- 1991Before the StormBing Tupper
- 1991Under CoverBing Tupper
- 1989Baywatch
- 1988China Beach
- 1986L.A. LawGil Tecowsky
- 1985Terror at London BridgeJoe Netz
- 1985MacGyverEarl Stringer
- 1985Scene of the Crime
- 1984Murder, She WroteRaymond Two Crows
- 1981Aloha Paradise
- 1979Detective School
- 1979The SeekersAbraham Kent
- 1978Vega$
- 1978Battlestar GalacticaMichael
- 1978DallasJoe Don Ford
- 1977The Love BoatAlan Billingsley
- 1977Operation PetticoatLt. Mike Bender
- 1977Testimony of Two MenFather Frank McNulty
- 1976Charlie's AngelsMark Williams
- 1973Emergency +4Paramedic John Gage (voice)
- 1972Emergency!John Gage
- 1972Emergency!John Gage
- 1972The Bravos2nd Lt. Lewis
- 1971Marriage: Year OneDan
- 1971SargeCorporal Finch
- 1971Owen Marshall: Counselor at LawKeith Ryder
- 1971VanishedEnsign
- 1971Alias Smith and Jones
- 1970Night GalleryElkins (segment "Class of '99")
- 1970The Bold Ones: The SenatorLt. Tony Caffey
- 1970McCloud
- 1969Marcus Welby, M.D.Intern
- 1968Adam-12John Gage
- 1968One Life to Live
- 1962The VirginianLt. Dorn
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