Director:
John Hough

Casting:
Mark Lester,
Lionel Jeffries,
Susan George,

UK, 1970

Director:
Michael Kennedy

Casting:
Matt McColm,
John Savage,
Jennifer Rubin,

Canada, USA, 1995

Director:
Cyril Coke Douglas Camfield David Cunliffe

Casting:
Ian Hendry,
Wanda Ventham,
Stefan Gryff,

UK, 1972