Jack Cassidy (5 Maart 1927 – 12 Desember 1976) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente The Eiger Sanction (1975), W.C. Fields and Me (1976), en The Private Files of J. Edgar Hoover (1977), en in die televisiereeks He & She (1967). 1971: Bunny O'Hare 1975: The Eiger Sanction 1976: W.C. Fields and Me 1977: The Private Files of J. Edgar Hoover 1967: He & She 1967: Coronet Blue 1969: He Said, She Said 1969: You're Putting Me On 1970: Beat the Clock 1972: The Julie Andrews Hour 1973: NBC Follies 1973: Orson Welles' Great Mysteries 1975: Don Adams' Screen Test 1962: Mister Magoo's Christmas Carol 1969: St. Patrick's Day TV Special 1970: The Andersonville Trial 1970: George M! 1971: The Powder Room 1972: Your Money or Your Wife 1972: Portable Electric Medicine Show 1973: A Time for Love 1973: Broadway 1973: Of Men and Women 1973: A Musical Celebration to Stephen Sondheim 1974: The Phantom of Hollywood 1974: Fools, Females and Fun 1974: McMasters of Sweetwater 1975: Knuckle 1975: Dean's Place 1976: Word Grabbers Jack Cassidy in die Internet-rolprentdatabasis