Director/a
Peter Carter
DIRECTOR/A
Don Owen
Donald Shebib
René Bonnière
Don Haldane
Allan King
Stanley B. Olsen
Anthony Perris
Reparto (por orden de créditos)
Lawrence Benedict
Detective Dave Quinn
Toby Tarnow
Liz Roman, Dr. Erickson's assisant
Leslie Carlson
Detective George Kaminski
Robert Warner
Poulis
Michael Kane
Detective Sergeant Jim Brewer
Donald Pilon
Detective Sergeant Richard Tremblay
Carl Gall
Boyer
Paul Harding
Dr. Charles Erickson
Joseph Shaw
Bourke
Doug McGrath
Ryan
Cec Linder
Adams
Sam Langevin
Edna
Biff McGuire
ACTOR
Susan Petrie
Gerry
Brenda Donohue
Alan Bleviss
James Bearden
Leo Leyden
Fielding
Robert Hawkins
Jane Mallett
Old Woman
Steven Sutherland
MacDonald
Adrienne Pit
Larry Aubrey
Doyle
George Raymond
Antoinette Bower
Donnelly Rhodes
Santos
Larry Reynolds
Richard M. Davidson
Drew
David Bolt
Wendy Thatcher
Julia
Jean Brousseau
Franz Russel
Rita Floren
Louisa
William Shatner
Gilda Radner
Gordon Pinsent
Lynne Griffin
Jennie
John Carson
Allan Kolman
Mr.Vincent
Gerard Parkes
Booth Savage
Colin Fox
Elizabeth Shepherd
Sean Sullivan
Dawn Greenhalgh
Dale Wilson
Lloyd
George Sperdakos
Jack Creley
Judge Manly
Stephen Markle
Michael J. Reynolds
Walsh
Len Birman
Sean Hewitt
Richard Alden
Richard Allen
Joanna Noyes
Gerry Salsberg
Jack
James Blendick
Jack Mather
Mark Walker
Carol Lazare
Susan Keller
Andrea
Julie Amato
Leslie Yeo
James Hurdle
Hall Manly
Suzanne Levesque
Sydney Brown
Susan Mitchell
Paul Craig
William de Marois
Margot Christie
Hanna
Patti Oatman
Candy
Gaylor Rowan
Douglas Birkenshaw
Doug
Winnifred Springett
Ron O'Krancy
Jimmy
Stan Grizzle
Sonny
Alma Matsh
Agnes
Tom Jones
Twink
Ray Brady
Kidnapper
Steve Meek
Bystander(uncredited)