Telly Savalas
Dr. Nicholas Mati
Laura Johnson
Leslie Valentine
Diana Muldaur
Elaine
Marvin Laird
Vincent
Bob Basso
Mario
Priscilla Barnes
Leslie Valentine
Walter Brooke
Dr. Grovenor
Barney Phillips
Dr. Batt
Douglas Dirkson
Hank
Tony Burton
Dangerman
John Lisbon Wood
Chris
Jason Ronard
Howie
Walter Mathews
Al
Kathy Bendett
Phyllis
Lisa Benson
Girl
Linda Cardoso
Girl
Rita Marie Carr
Ann
Lilyan Chauvin
Nurse Johnson
Denise DuBarry
Girl
Biff Elliot
Police Sergeant
Debra Feuer
Girl
Milton Frome
Cyril
Larry Golden
Charles
Steven Hood
David
Michael Lansing
Sam
Toni Lawrence
Carol
Susan Myers
Penelope
Melissa Prophet
Girl
Nick Savalas
Student
Henry Slate
Julius
Barbara Sloane
Student
Lee Terri
Celeste
Norman D. Wilson
Little John
Ross Elliott
John
James R. Parkes
Dr. Spangler
Alden Fletscher
Pulmanary Team
Jeffrey Helfenstein
Pulmanary Team
Steven Helpern
Pulmanary Team
Stephanie Karos
Student
Dick Grayling
Student
Herb Shriner Jr.
Student
Edward Willkie
Policeman
Paul Gale
Sulcide
Paul V. Picerni Jr.
Plato
John Perak
(Uncredited)
Crew
Telly Savalas
Director
Telly Savalas
Writer
John A. Alonzo
Director of Photography
Arthur M. Sarkissian
Executive Producer
Philip M. Jefferies
Production Design
Varoujan Assoian
Executive Producer
Frank P. Keller
Editor
Constantine P. Karos
Executive Producer
Howard W. Koch
Producer
Reg Allen
Set Decoration
Robert Randles
Original Music Composer
Larry Jost
Sound
Moss Mabry
Costume Design
Chuck Lewis
Sound