Director: Richard Donner

Writers: David Newman,

Cast: Christopher Reeve, Clifton James, Gene Hackman, Jack O'Halloran, Jackie Cooper, Margot Kidder, Marlon Brando, Ned Beatty, Sarah Douglas, Valerie Perrine,

Director: Richard Lester

Writers: Leslie Newman,

Cast: Christopher Reeve, Clifton James, Gene Hackman, Jack O'Halloran, Jackie Cooper, Margot Kidder, Ned Beatty, Sarah Douglas, Susannah York, Valerie Perrine,

Director: Richard Donner

Writers: Tom Mankiewicz,

Cast: Christopher Reeve, Gene Hackman, Glenn Ford, Jack O'Halloran, Jackie Cooper, Margot Kidder, Marlon Brando, Ned Beatty, Trevor Howard, Valerie Perrine,