Randolph Mantooth

Randolph Mantooth

Acting

Born: 1945-09-19 in 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

Criminal Minds

Patrick Gless

Dallas

Dallas

Joe Don Ford

JAG

JAG

Ron Barret

Sons of Anarchy

Sons of Anarchy

Charlie Horse

Ghost Whisperer

Ghost Whisperer

Murder, She Wrote

Murder, She Wrote

Raymond Two Crows

Diagnosis: Murder

Diagnosis: Murder

Mayor Bill Tremont

Diagnosis: Murder

Diagnosis: Murder

Randolph Mantooth

The Love Boat

The Love Boat

Alan Billingsley

ER

ER

Policeman (uncredited)

MacGyver

MacGyver

Earl Stringer

Baywatch

Baywatch

Charlie's Angels

Charlie's Angels

Mark Williams

L.A. Law

L.A. Law

Gil Tecowsky

Adam-12

Adam-12

John Gage

Adam-12

Adam-12

Neil Williams

Emergency!

Emergency!

John Gage

The Virginian

The Virginian

Lt. Dorn

Walker, Texas Ranger

Walker, Texas Ranger

James Lee Crown

Marcus Welby, M.D.

Marcus Welby, M.D.

Intern

The City

The City

Night Gallery

Night Gallery

Elkins (segment "Class of '99")

Battlestar Galactica

Battlestar Galactica

Michael

McCloud

McCloud

Owen Marshall: Counselor at Law

Owen Marshall: Counselor at Law

Keith Ryder

Owen Marshall: Counselor at Law

Owen Marshall: Counselor at Law

Lonnie Roth

China Beach

China Beach

Vega$

Vega$

Alias Smith and Jones

Alias Smith and Jones

No Poster

Where Are They Now?

Self

One Life to Live

One Life to Live

Promised Land

Promised Land

Ben Camden

Operation Petticoat

Operation Petticoat

Lt. Mike Bender

Sarge

Sarge

Corporal Finch

Scene of the Crime

Scene of the Crime

Agent Red

Agent Red

Admiral Edwards

Testimony of Two Men

Testimony of Two Men

Father Frank McNulty

The Seekers

The Seekers

Abraham Kent

Aloha Paradise

Aloha Paradise

Killer Holiday

Killer Holiday

Detective Bodrogi