Director:
Michael Caffey Leslie H. Martinson Don Weis

Casting:
Christopher George,
Don Knight,
David Brian,

USA, 1969

Director:
John Mackenzie

Casting:
Danny Aiello,
Sherilyn Fenn,
Tobin Bell,

UK, USA, Japan, 1992

Director:
Steven Hilliard Stern

Casting:
Peter Kastner,
JoAnna Cameron,
Louise Sorel,

USA, 1971

Director:
Russ Mayberry

Casting:
Tippy Walker,
Robert Porter,
Billy Green Bush,

USA, 1971