In a story from The Hollywood Reporter, Robert Culp, who gained stardom acting opposite Bill Cosby in the 1960s NBC series I Spy, died Wednesday. He collapsed outside his Hollywood home. The actor was 79.

According to his manager, Hillard Elkins, the actor was on a walk when he fell. He was immediately taken to a hospital and pronounced dead just before noon.

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He was also known for playing the role of Bob in Paul Mazursky's Bob & Carol & Ted & Alice.

His biggest TV success after I Spy was in the 1981-83 ABC series The Greatest American Hero. He played an FBI agent and also wrote for the program.

Culp co-starred as a U.S. president in an adaptation of John Grisham's The Pelican Brief in 1993. He had a recurring role on the hit CBS sitcom Everybody Loves Raymond.

Robert Martin Culp was born Aug. 16, 1930, in Oakland, Calif.