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 Diana Muldaur in McCloud (1970)

Jack Cassidy and Dennis Weaver in McCloud (1970)