61 Things You Never Knew About the Cast and Production of Bonanza

Historical |

Pernell Roberts: Then

Pernell Roberts played the oldest Cartwright son, Adam Cartwright. After only working on the series for 6 years, Roberts decided to leave the show. He didn’t leave the show on the best of terms and was ultimately fired by NBC. However, this wasn’t the end of his career, as we’ll soon see….

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