Director:
Robert Tronson Moira Armstrong Donald McWhinnie

Casting:
Frank Duncan,
Maria Aitken,
Zena Walker,

UK, 1967

Director:
Stuart Cooper

Casting:
Brian Stirner,
Davyd Harries,
Nicholas Ball,

UK, 1975

Director:
Martin Rosen

Casting:
John Hurt,
Christopher Benjamin,
James Bolam,

USA, UK, 1982