"Underworld attorney Leo Barnes hires Gus Monk to safeguard a valuable envelope containing information on a mobster. Monk refuses — until he meets Mrs. Barnes and jumps on a merry-go-round of viciousness and murder."
George Maharis
as Gus Monk
Janet Leigh
as Janice Barnes
Rick Jason
as Wideman
Carl Betz
as Danny Gouzenko
Jack Albertson
as Tinker
Raymond St. Jacques
as Lieutenant Edward Heritage
William Smithers
as Leo Barnes
Jack Soo
as Hip Guy
Edward G. Robinson Jr.
as Trapp
George Burrafato
as Stanger
Linda Marsh
as Lisa Daniels
Georges Saurel
as Sergeant Mawson
Joe Besser
as Herbie
Walter Reed
as Director
John Hancock
as Charlie
Robert Nash
as Doorman (as Bob Nash)
Mary Wickes
as Mrs. Medford
Howard Smit
Makeup Artist
Fleet Southcott
Director of Photography
Madeline Sylos
Costume Design
Tony Barrett
Producer
Jerry Jameson
Editor
Shelley Hull
Associate Producer
Bob Lewis
Earle Hagen
Original Music Composer
Betty Martin
Casting
Aaron Spelling
Ned Parsons
Set Decoration
Tracy Bousman
Art Direction
Danny Thomas
Executive Producer
Harald Johnson
Story
George McCowan
Director
Blake Edwards