Directed by Mike Nichols
Produced by Robert E. Relyea
Executive Producer : Joseph E. Levine
Based on Novel "Un Animal doue de raison" by Robert Merle
Screenplay by Buck Henry
Cinematography by William A. Fraker
Film Editing by Sam O'Steen
Music by Georges Delerue
Casting by Alan Shayne
Production Design by Richard Sylbert
Art Direction by Angelo Graham
Set Decoration by George R. Nelson
Costume Design by Anthea Sylbert
Special Photographic Effects : Albert Whitlock
Special Effects by Jim White
Cast
George C. Scott (Dr. Jake Terrell)
Trish Van Devere (Maggie Terrell)
Paul Sorvino (Curtis Mahoney)
Fritz Weaver (Harold DeMilo)
Jon Korkes (David)
Edward Herrmann (Mike)
Leslie Charleson (Maryanne)
John David Carson (Larry)
Victoria Racimo (Lana)
John Dehner (Wallingford)
Severn Darden (Schwinn)
William Roerick (Dunhill)
Elizabeth Wilson (Mrs. Rome)
Phyllis Davis (Secretary)
Willie Myers (Stone)
Pat Zurica (First Mate)
Pat Englund (Woman at Club)
Julie Follansbee (Woman at Club)
Brooke Hayward (Woman at Club)
Florence Stanley (Woman at Club)