From Wikipedia, the free encyclopedia 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. Description above from the Wikipedia article Pernell Roberts, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Ride Lonesome
(Sam Boone)
Checkered Flag
(Andrew Valiant)
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)
Realm of the Alligator
(Narrator)
The Adventures of Nick Carter
(Neal Duncan)
The Bravos
(Jackson Buckley)
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)
The Night Rider
(Alex Sheridan)
Desperado
(Marshal Dancey)
Paco
(Pompiho)
Night of 100 Stars II
(Self)
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)
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)
77 Sunset Strip
Trapper John, M.D.
("Trapper" John McIntyre)
The Girl from U.N.C.L.E.
The Odd Couple
(Billy Joe)
The Love Boat
(Brian Mallory)
Hawaii Five-O
(Lon Phillips)
Quincy, M.E.
(Sheriff Connelly)
Marcus Welby, M.D.
(Roger)
Baretta
Alias Smith and Jones
Hawkins
(Senator Griffith)
The Merv Griffin Show
(Self)
Mannix
The Hardy Boys / Nancy Drew Mysteries
(Detective Superintendant Molly)
Diagnosis: Murder
(Dr. Elliott Valin)
Man from Atlantis
(Clint Hollister)
Gunsmoke
(Nat Pilcher)
Night Gallery
General Electric Theater
(Phil)
Mission: Impossible
(President Beyron Rurich)
Centennial
(General Asher)
Ironside
Battle of the Network Stars
Vega$
Jigsaw
Police Woman
Police Story
Switch
(Barnes)
The Virginian
(Jim Boyer Sr.)
Lancer
One Step Beyond
(Sgt. Vaill)
The Big Valley
(Madigan)
FBI: The Untold Stories
Diagnosis: Murder
(George Fallon)
Bronco
Matinee Theater
(Hassan)
The Sixth Sense
Sugarfoot
(Salt River Smith)
Ellery Queen
Cimarron City
The Detectives
Spencer's Pilots
CBS Playhouse
Dick Powell's Zane Grey Theatre
(Jet Mason)
Medical Story
Bronk
Bonanza
(Adam Cartwright)
Lawman
(Fent Harley)
Sugarfoot
(Deuce Braden)
The Big Valley
(Ed Tanner)
Have Gun, Will Travel
(Maury Travis)
Gunsmoke
(Dave Reeves)
Around the World in 80 Days
(Captain Speedy)
Dick Powell's Zane Grey Theatre
(Lew Banning)
Captains and the Kings
(Colonel Elbert Braithwaite)
The Six Million Dollar Man
(Mark Wharton)
The Name of the Game
(Hank)
The Streets of San Francisco
(Charley Finn)
The Wild Wild West
(Sean O'Reilley)
Mission: Impossible
(Chief Manuel Corba)
The Rockford Files
(B.J. Anderson)
Trackdown
(Bannion)
Owen Marshall: Counselor at Law
(Ralph Foster)
Bambi Awards
(Self (archive footage))
The Bold Ones: The New Doctors
(Dr. Frank Bartell)
Mission: Impossible
(Col. Hans Krim)
Marcus Welby, M.D.
(Tom Boyd)
Banacek
(Matthew Donniger)
The Name of the Game
(Ernie Subich)