На странице собран полный список персон, участвовавших в создании фильма.
Dennis Hopper
Goff
Mike Farrell
Dick Blaine (в титрах: Michael Farrell)
Stephen McNally
James Kincade
Walter Reed
Frank Devers
John Hoyt
Dr. Milton Becker
George Sawaya
Karl Sinden (Mr. X)
Howard Duff
Dave Pomeroy
William Tannen
Bill Rawlins
Oscar Beregi Jr.
Dr. Paul Cerbo (в титрах: Oscar Beregi)
Douglas Evans
Mayor
Nehemiah Persoff
August Best
John Pickard
Williams
Walter Scott
Plainclothesman
Hank Brandt
Miller
Eddie Firestone
Owens
James Seay
Pitt
Bee Tompkins
Nurse
George Barrows
Ernest
Anne Jeffreys
Myra Pryor
Leon Lontoc
Pablo
Gregory Morton
Steadman
Stanley Clements
Albert
Linda Cristal
Dr. Paula Stevens
Jan Watson
Secretary (в титрах: Jann Watson)
Steve Franken
Hal Johnson
Robert Terry
Dr. Wilcox
R.L. Armstrong
Mechanic (в титрах: Tex Armstrong)
Wesley Lau
Police Lt. Brady
Rush Williams
Reporter
Deanna Lund
Blonde
Eilene Janssen
Information Clerk
Maurice Wells
Elliot
Wendy Stuart
Receptionist
James Kline
Intern (в титрах: Jim Kline)
Dodie Warren
Cal Currens
Joe
Jim Adams
Tom
Elaine Beckett
Artist
Edith Loder
Waitress
Al Shafran
Man in Conference Room
Renee Redman
Woman at Door
Paul Sylos
Paul Dunlap
Charles Arrico
Raymond Boltz Jr.
Eddie Davis
Terry O. Morse
Alan Stensvold
Earle Lyon
Charles E. Savage
