"After being double-crossed and left for dead, a mysterious man named Walker single-mindedly tries to retrieve the rather inconsequential sum of money that was stolen from him."
Lee Marvin
as Walker
Angie Dickinson
as Chris
Keenan Wynn
as Yost
Carroll O'Connor
as Brewster
Lloyd Bochner
as Frederick Carter
Michael Strong
as Stegman
John Vernon
as Mal Reese
Sharon Acker
as Lynne
James B. Sikking
as Hired Gun
Sandra Warner
as Waitress
Roberta Haynes
as Mrs. Carter
Kathleen Freeman
as First Citizen
Victor Creatore
as Carter's Man
Lawrence Hauben
as Car Salesman
Susan Holloway
as Girl Customer
Sid Haig
as 1st Penthouse Lobby Guard
Michael Bell
as 2nd Penthouse Lobby Guard
Priscilla Boyd
as Receptionist
John McMurtry
as Messenger
Ron Walters
as Young Man in Apartment
George Strattan
Nicole Rogell
as Carter's Secretary
Rico Cattani
as Reese's Guard
Roland La Starza
Paul Bradley
as Conventioneer (uncredited)
George Bruggeman
George Calliga
Jerry Catron
as Man (uncredited)
Dick Cherney
as Spectator (uncredited)
Bud Cokes
Bonnie Dewberry
as Dancer (uncredited)
Richard Elmore
Barbara Feldon
as Girl in TV Commercial (uncredited)
Duke Fishman
as Bar Patron (uncredited)
Carey Foster
Stu Gardner
as Singer (uncredited)
Rudy Germane
Kenneth Gibson
Bill Hickman
as Reese's Guard on Balcony (uncredited)
Chuck Hicks
as Guard (uncredited)
George Hoagland
Harvey Karels
Joseph La Cava
Louise Lane
Karen Lee
as Waitress (uncredited)
Ethelreda Leopold
Philo McCullough
Joseph Mell
Monty O'Grady
Andrew Orapeza
as Desk Clerk (uncredited)
Murray Pollack
Anthony Redondo
Leoda Richards
Clark Ross
Cosmo Sardo
Jeffrey Sayre
Felix Silla
as Bellhop (uncredited)
Norman Stevans
Robert Strong
Tim Taylor
Sid Troy
Guy Way
as Bill (Brewster's Chauffeur) (uncredited)
Ted White
as Football Player (uncredited)
Louis Whitehill
as Policeman (uncredited)
Roseann Williams
John Zimeas
John Boorman
Director
Norman Stuart
Dialogue Coach
Robert Chartoff
Producer
F. Keogh Gleason
Set Decoration
Judd Bernard
Irwin Winkler
Henry Grace
Margo Weintz
Costume Design
Johnny Mandel
Original Music Composer
Philip H. Lathrop
Director of Photography
Henry Berman
Editor
Edward Woehler
Unit Production Manager
George W. Davis
Art Direction
Donald E. Westlake
Novel
Albert Brenner
Mel Lewis
Musician
Sydney Guilaroff
Hairstylist
Songs
J. McMillan Johnson
Visual Effects
Al Jennings
Assistant Director
David Steen
Still Photographer
Rafe Newhouse
Other
William Tuttle
Makeup Artist
Alexander Jacobs
Screenplay
Patricia Casey
William Stair
Franklin Milton
Recording Supervision
David Newhouse
Van Allen James
Sound Editor
Larry Jost
Sound Mixer