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