Mr. Patman

James Coburn

Patman

Kate Nelligan

Peabody

Fionnula Flanagan

Abadaba

Leslie Carlson

Mr. Abernathy

Candy Kane

Mrs. Beckman

Michael Kirby

Dr. Turley

Alan McRae

Dr. Bloom

Jan Rubeš

Vrakettas

Hugh Webster

Mr. Wolfe

Lynne Griffin

Monica

Charles Jolliffe

Priest

Kenneth Wickes

Mr. Arnoldi

Tabitha Herrington

Montgomery

Lois Maxwell

Director

Laura Press

Nurse Graves

Cathryn Balk

Singing Lady

Hagan Beggs

Bateman

Paul Rothery

Dr. Maclarland

David Diamond

Big Eddy

Blu Mankuma

Orderly

Shirley Barclay

Orderly

David L. Crowley

Orderly

Deryl Hayes

Orderly

John Vye

Bus Driver

Garry Chalk

Policeman

Lloyd Berry

Policeman

Betty Linde

Mental Patient (uncredited)

Judith Berlin

Mental Patient (uncredited)

Alan Rose

Morgue Attendant (uncredited)

John Guillermin

Director

Thomas Hedley Jr.

Screenplay

Alexander MacDonald

Producer

William T. Marshall

Producer

Henk Van der Kolk

Producer

John Coquillon

Director of Photography

Paul Hoffert

Original Music Composer

Vince Hatherley

Editor

David Nicholson

Editor

Trevor Williams

Production Design

Richard Wilcox

Art Direction

Steve Shewchuk

Set Decoration