Harry Erskine
Tony Curtis
John Singing Rock
Michael Ansara
MacArthur
Hugh Corcoran
10th-Floor Nurse
Anne Newman Bacal
Wolf, an orderly
Jan Heininger
Michael, an orderly
Michael Laren
Neighbor
Cindy Stanford
Misquamacus
Felix Silla
Anesthesiologist
Charles Kissinger
Karen Tandy
Susan Strasberg
Amelia Crusoe
Stella Stevens
Dr. Jack Hughes
Jon Cedar
Mrs. Karmann
Ann Sothern
Dr. Snow
Burgess Meredith
Dr. McEvoy
Paul Mantee
Mrs. Winconis
Jeanette Nolan
Mrs. Herz
Lurene Tuttle
Original Music Composer
Lalo Schifrin
Screenplay
Associate Producer
Stunts
Dar Robinson
Novel
Graham Masterton
Al Wyatt Sr.
William Girdler
Director
Producer
Makeup Effects
Thomas R. Burman
Director of Photography
Michel Hugo
Thomas Pope
Executive Producer
David Sheldon
Set Decoration
Cheryal Kearney
Editor
Bub Asman
Production Design
Walter Scott Herndon
Melvin G. Gordy
Gilles de Turenne
Larry Holt