Jack Cassidy and Diana Muldaur in McCloud (1970)

Jack Cassidy in Murder by the Book (1971)

Jack Cassidy and Joan Delaney in Bunny O'Hare (1971)

Jack Cassidy and Carol Wayne in I Spy (1965)

Jack Cassidy and Jocelyn Lane in The Alfred Hitchcock Hour (1962)

Jack Cassidy and Jack Kelly in Maverick (1957)

Jack Cassidy in Mission: Impossible (1966)

Jack Cassidy, Linda Lavin, Patricia Marand, and Bob Holiday at an event for The Daily Planet Presents: The Story of Superman (1966)

Jack Cassidy, Don Chastain, Linda Lavin, Michael O'Sullivan, Patricia Marand, and Bob Holiday at an event for The Daily Planet Presents: The Story of Superman (1966)

Jack Cassidy and Shirley Jones at an event for The Daily Planet Presents: The Story of Superman (1966)

Jack Cassidy, Shirley Jones, and John V. Lindsay at an event for The Daily Planet Presents: The Story of Superman (1966)

David Cassidy, Jack Cassidy, and Shirley Jones

Dennis Allen and Jack Cassidy in Rowan & Martin's Laugh-In (1967)

Jack Cassidy in Rowan & Martin's Laugh-In (1967)

Jack Cassidy and Dennis Weaver in McCloud (1970)