"A government agent investigates the use of illegal amphetamines among long-haul truck drivers."
Peter Graves
as Agent / Tom Kaylor
Mala Powers
as Valerie 'Val' Owens
Chuck Connors
as Mink Reynolds
Merry Anders
as Amy 'Miss Diesel of 1958' Phillips
Roy Engel
as Wally Morse
Robert B. Williams
as 'Dunc' Clayton
Harry Lauter
as Steve Hummel / Mr. Brown
Pete Kooy
as Payson
Robert Christopher
as Lennie Owens
Gordon Armitage
as
Benjie Bancroft
Claire Carleton
as Mabel (uncredited)
Bud Cokes
Roy Damron
as Club Patron (uncredited)
John Dierkes
George Ford
as Diner Patron (uncredited)
Larry Mancine
Kathy Marlowe
Thomas Martin
Paul Maxwell
as Doctor (uncredited)
John Mitchum
as Handler (uncredited)
Charles Postal
Gloria Rhoads
Robert Shayne
as Frank Ainsley (uncredited)
Fred Sherman
as Howard (uncredited)
Joseph M. Newman
Director
John McGreevey
Screenplay
Richard V. Heermance
Producer
Robert Wiley Miller
Original Music Composer
Emil Newman
Carl E. Guthrie
Director of Photography
William Austin
Editor
Dave Milton
Art Direction
Joseph Kish
Set Decoration
Emile LaVigne
Makeup Artist
Alice Monte
Hairdresser
Milt Rice
Special Effects