Director:
Stuart Rosenberg

Casting:
Elliott Gould,
Paula Prentiss,
Geneviève Waïte,

USA, 1970

Director:
Arthur Marks Lewis Allen Harvey Hart

Casting:
James Whitmore,
Enzo Cerusico,
Richard Anderson,

USA, 1969

Director:
Robert Wise

Casting:
Marsha Mason,
Anthony Hopkins,
John Beck,

USA, 1977