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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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Movies
Ride Lonesome
Sam Boone
The Night Train to Kathmandu
Prof. Harry Hadley-Smithe
The Deadly Tower
Lt. Lee
Four Rode Out
Marshall Ross
Desire Under the Elms
Pierre Cabot
The Adventures of Nick Carter
Neal Duncan
The Silent Gun
Sam Benner
Dead Man on the Run
Brock Dillon
Perry Mason: The Case of the All-Star Assassin
Thatcher Horton
Hot Rod
Sheriff Marsden
High Noon, Part II: The Return of Will Kane
Marshal J.D. Ward
San Francisco International
Jim Conrad
Desperado
Marshal Dancey
Paco
Pompiho
The Sheepman
Chocktaw Neal
The Kashmiri Run
The Immigrants
Anthony Cassala
Charlie Cobb: Nice Night for a Hanging
Sherrif Yates
The Magic of Lassie
Jamison
The Bravos
Jackson Buckley
Carousel
Jigger Craigin
Alien Lover
Mike
Donor
Dr. Simon Martingale
The Lives of Jenny Dolan
Camera Shop Proprietor
Incident at Crestridge
Mayor Hill
Night of 100 Stars
Self
The Night Rider
Alex Sheridan
Night of 100 Stars II
Self
Checkered Flag
Andrew Valiant
Realm of the Alligator
Narrator
Shows
The Love Boat
Brian Mallory
The Odd Couple
Billy Joe
Quincy, M.E.
Hawaii Five-O
Lon Phillips
Diagnosis: Murder
Dr. Elliott Valin
Mannix
The Hardy Boys / Nancy Drew Mysteries
Detective Superintendant Molly
Alias Smith and Jones
Gunsmoke
Nat Pilcher
Night Gallery
General Electric Theater
Phil
Centennial
General Asher
Police Story
The Big Valley
Madigan
FBI: The Untold Stories
Battle of the Network Stars
Matinee Theater
Hassan
Sugarfoot
Salt River Smith
Dick Powell's Zane Grey Theatre
Jet Mason
The Detectives
77 Sunset Strip
Trapper John, M.D.
"Trapper" John McIntyre
The Girl from U.N.C.L.E.
Marcus Welby, M.D.
Roger
Baretta
Man from Atlantis
Clint Hollister
Mission: Impossible
President Beyron Rurich
Ironside
Vega$
Switch
Barnes
Lancer
Police Woman
The Virginian
Jim Boyer Sr.
One Step Beyond
Sgt. Vaill
Jigsaw
Bronco
The Sixth Sense
Ellery Queen
Cimarron City
CBS Playhouse
Spencer's Pilots
Medical Story
Bronk
Bonanza
Adam Cartwright
Around the World in 80 Days
Captain Speedy
The Rockford Files
B.J. Anderson
Bambi Awards
Self (archive footage)
Hawkins
Senator Griffith
The Merv Griffin Show
Self
Diagnosis: Murder
George Fallon
The Big Valley
Ed Tanner
Sugarfoot
Deuce Braden
Gunsmoke
Dave Reeves
Dick Powell's Zane Grey Theatre
Lew Banning
The Name of the Game
Hank
Marcus Welby, M.D.
Tom Boyd
Lawman
Fent Harley
Have Gun, Will Travel
Maury Travis
Captains and the Kings
Colonel Elbert Braithwaite
The Six Million Dollar Man
Mark Wharton
The Streets of San Francisco
Charley Finn
Mission: Impossible
Chief Manuel Corba
The Wild Wild West
Sean O'Reilley
Trackdown
Bannion
Owen Marshall: Counselor at Law
Ralph Foster
The Bold Ones: The New Doctors
Dr. Frank Bartell
Mission: Impossible
Col. Hans Krim