Pernell Elven Roberts Jr. was an American stage, film, and television actor, activist, and singer. In addition to guest-starring in over 60 television series, he was best known for his roles as Ben ...

What nationality is Pernell Roberts?

Malibu, California, U.S. Pernell Elven Roberts Jr. (May 18, 1928 – January 24, 2010) was an American stage, film, and television actor, activist, and singer.

Why did Pernell leave Bonanza?

Conflict Over Scripts, Characters Prompted Actor Pernell Roberts to Leave 'Bonanza' Several things reportedly caused Roberts grief while he was playing Adam Cartwright on “Bonanza.” He wasn't happy with the show's scripts. He was also unhappy with how the show's characters were portrayed and changed over the years.