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. Description above from the Wikipedia article Pernell Roberts, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography37 titles
Paco
Banacek
The Odd Couple
Night Gallery
The Rockford Files
Mission: Impossible
The Wild Wild West
Quincy, M.E.
Bonanza
The Six Million Dollar Man
Have Gun, Will Travel
Hawaii Five-O
Diagnosis: Murder
The Hardy Boys/Nancy Drew Mysteries
Police Story
The Streets of San Francisco
Ironside
The Sheepman
The Girl from U.N.C.L.E.
Desire Under the Elms
Around the World in 80 Days
The Deadly Tower
Ride Lonesome
Gunsmoke
Marcus Welby, M.D.
The Night Train to Kathmandu
Man from Atlantis
The Bravos
The Virginian
Shirley Temple's Storybook
Police Woman
The Love Boat
The Big Valley
One Step Beyond
Incident at Crestridge
High Noon, Part II: The Return of Will Kane
Four Rode Out