Peter Mark Richman, who appeared in hundreds of television episodes and had reoccurring roles on Beverly Hills 90210 and Three’s Company, died on Thursday at his home in Los Angeles. He was 93.

Richman died of natural causes at his home in Woodland Hills, according to his publicist Harlon Boll.

The Philadelphia-born actor started out as a pharmacist before joining the Actors Studio in New York in 1953. He performed in several stage plays, including A Hatful of Rain and Masquerade on Broadway. In 1960, he also starred in over 400 off-Broadway performances of The Zoo Story by Edward Albee.

Richman appeared in movies like The Black OrchidThe Strange OneNaked Gun 2 1/2: The Smell of Fear and Friday The 13th, Part 8: Jason Takes Manhattan, but he was most well known for his prolific TV career. He appeared in more than 500 episodes of shows including BonanzaStar Trek: The Next Generation and The Twilight Zone.

And although the show where he was featured as a main cast member, Cain’s Hundred, only lasted one season in 1960, it propelled him into playing more reoccurring characters in television. He played Rev. Luther Snow, the father of Suzanne Somer‘s character on Three’s Company, Lawrence Carson in Beverly HIlls 90210 and he appeared as C.C. Capwell in the soap opera Santa Barbara.

In 1990, Richman was awarded the Silver Medallion by The Motion Picture & Television Fund for his charitable and humanitarian work.

He is survived by his wife Helen, his five children and six grandchildren.

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