
Pernell Roberts
Biography
Pernell Elvin Roberts, Jr. (May 18, 1928 – January 24, 2010) was an American stage, movie and television actor as well as singer. In addition to guest starring in over 60 television series, he was widely known for his roles as Ben Cartwright's eldest son, Adam Cartwright, on the western series Bonanza, a role he played from 1959 to 1965 — and as chief surgeon Dr. John McIntyre, the title character on Trapper John, M.D. (1979–1986).
He was also widely known for his life-long activism, which included participation in the Selma to Montgomery marches in 1965 and pressuring NBC to refrain from hiring whites to portray minority characters.
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Filmography

Donor
1990
as Dr. Simon Martingale

Checkered Flag
1990
as Andrew Valiant

Perry Mason: The Case of the All-Star Assassin
1989
as Thatcher Horton

The Night Train to Kathmandu
1988
as Prof. Harry Hadley-Smithe

Desperado
1987
as Marshal Dancey

Realm of the Alligator
1986
as Narrator

Night of 100 Stars II
1985
as Self

Night of 100 Stars
1982
as Self

Incident at Crestridge
1981
as Mayor Hill

High Noon, Part II: The Return of Will Kane
1980
as Marshal J.D. Ward

Hot Rod
1979
as Sheriff Marsden

The Night Rider
1979
as Alex Sheridan

The Magic of Lassie
1978
as Jamison

Charlie Cobb: Nice Night for a Hanging
1977
as Sherrif Yates

Paco
1976
as Pompiho

Alien Lover
1975
as Mike

The Lives of Jenny Dolan
1975
as Camera Shop Proprietor

The Deadly Tower
1975
as Lt. Lee

Dead Man on the Run
1975
as Brock Dillon

The Adventures of Nick Carter
1972
as Neal Duncan

The Bravos
1972
as Jackson Buckley

San Francisco International
1970
as Jim Conrad

The Silent Gun
1969
as Sam Benner

The Kashmiri Run
1969