"Matt Helm is called out of retirement to stop the evil Big O organization who plan to explode an atomic bomb over Alamagordo, NM, and start WW III."
Dean Martin
as Matt Helm
Stella Stevens
as Gail Hendricks
Daliah Lavi
as Tina
Victor Buono
as Tung-Tze
Arthur O'Connell
as Joe Wigman
Robert Webber
as Sam Gunther
James Gregory
as MacDonald
Nancy Kovack
as Barbara
Cyd Charisse
as Sarita
David Bond
as Dr. Naldi
John Reach
as Traynor
Beverly Adams
as Lovey Kravezit
Roger C. Carmel
as Andreyev
Richard Devon
as Domino
Margie Nelson
as Specialty Dancer
Margaret Teele
as Slaymate
Larri Thomas
Leoda Richards
as Nightclub Patron
Frank Gerstle
as Frazer
Robert Phillips
as Armed Man
John Willis
as Master of Ceremonies
Grant Woods
as Radio Man
Patrick Waltz
as Hotel Clerk
Vikki Carr
as Sarita (singing voice) (uncredited)
John Daheim
as Student Guard (uncredited)
Sol Gorss
as Pilot (uncredited)
Frank Hagney
as Drunk (uncredited)
Chuck Hicks
as Armed Man (uncredited)
Ted Jordan
as Man (uncredited)
Ray Montgomery
as Agent 'C' (uncredited)
Robert F. Simon
as Big O associate (uncredited)
Tom Steele
as Guard (uncredited)
Martin Abrahams
as Pool Guest (uncredited)
Todd Armstrong
Barbara Burgess
as Slaygirl (uncredited)
Amadee Chabot
as Girl (uncredited)
Carol Cole
as Cocktail Waitress (uncredited)
Myron Cook
Bill Couch
Dirk Evans
Virginia Ann Ford
Robert Glenn
as FBI Agent (uncredited)
George Golden
as Club Patron (uncredited)
Joe Gray
as Undetermined Secondary Role (uncredited)
Ed Haskett
Patrick Hawley
as Eddie the Bartender (uncredited)
George Hoagland
Harry Holcombe
as Agent 'X' (uncredited)
Susan Holloway
Thomas Horton
as Hunter (uncredited)
Art Koulias
as Engineer (uncredited)
Gary Lasdun
Anna Lavelle
as Specialty Dancer (uncredited)
Grace Lee
as Oriental Girl (uncredited)
Karen Lee
Nelson Leigh
as Tung-Tze Agent (uncredited)
Victoria Lockwood
Gay MacGill
Mary Jane Mangler
Gigi Michel
Hans Moebus
Inga Neilsen
as Statue (uncredited)
Scott Perry
Pat Renella
Bruce Ritchey
Pamela Rodgers
Clark Ross
Cosmo Sardo
as Waiter (uncredited)
Jeffrey Sayre
Tom Sweet
Rita Thiel
Glenn Thompson
Marilyn Tindall
Richard Tretter
Vincent Van Lynn
as Agent 'Z' (uncredited)
Jan Watson
Guy Wilkerson
as Farmer (uncredited)
Phil Karlson
Director
Oscar Saul
Screenplay
Donald Hamilton
Novel
Marlowe Newkirk
Special Effects
Irving Allen
Producer
Burnett Guffey
Director of Photography
James Schmerer
Associate Producer
George R. Nelson
Set Decoration
Robert Sidney
Choreographer
Charles Nelson
Editor
Moss Mabry
Costume Design
Joseph C. Wright
Art Direction
Elmer Bernstein
Original Music Composer
Virginia Jones
Hairstylist
Stunts
Glen Thompson
Bob Herron
Carey Loftin
Sy Devore
Wardrobe Designer
Ralph E. Black
Unit Production Manager
Charles J. Rice
Sound Supervisor
Ben Lane
Makeup Supervisor
Lambert E. Day
Sound
Clark L. Paylow
Assistant Director
Sergei Petschnikoff
James Curtis Havens
Second Unit Director