// Workers AI · dad joke modeWho's Donald Mantooth's dentist? Tooth doctor.

Donald "Don" Mantooth is an American actor best known for his roles in films such as Earthquake, Uncommon Valor, The California Kid, and The Seekers, and TV series such as Marcus Welby, M.D., Emergency!, Columbo (“Swan Song”), and Knight Rider. He is the younger brother of Randolph Mantooth.^[1] He graduated from San Marcos High School and Santa Barbara City College in Santa Barbara, California.^[2]

Filmography

Marcus Welby, M.D. (1974, TV Series) - 1st Student
Owen Marshall: Counselor at Law (1974, TV Series) - Ed Peters
Heat Wave (1974, TV Movie) - Ambulance Attendant
The Six Million Dollar Man (1974, TV Series) - 1st Radio Operator
Columbo (1974, TV Series) - Phil
Hec Ramsey (1974, TV Series) - John
The California Kid (1974, TV Movie) - Jack
Aloha Means Goodbye (1974, TV Movie) - Intern
Lucas Tanner (1974, TV Series) - Paul Newton
Sierra (1974, TV Series)^[3] - Scott Parker
Earthquake (1974) - Sid
Emergency! (1974, TV Series) - Frat Member / Paramedic 95
Let's Switch (1975, TV Movie)
Kolchak: The Night Stalker (1974–1975, TV Series) - Tim Brennan / Sleep Subject / Policeman
A Cry for Help (1975, TV Movie) - Arthur Schullman
Quincy M.E. (1976, TV Series) - Police Officer
Battlestar Galactica (1979, TV Mini-Series) - Medtech
The Seekers (1979, TV Series) - Plenty Coup
Knight Rider (1982, TV Series) - Corey
Uncommon Valor (1983) - POW #3 (final film role)

↑ "The TV Scene". Honolulu Star-Bulletin. February 3, 1974. p. 91. Retrieved July 16, 2026.
↑ "Gazebo Theater announces casting of Karen Grassle". Santa Barbara News-Press. December 25, 1976. p. 42. Retrieved July 16, 2026.
↑ "They're Shooting in Yosemite". The Fresno Bee. August 11, 1974. p. 25. Retrieved July 16, 2026.

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