A government agent investigates the use of illegal amphetamines among long-haul truck drivers.
Agent / Tom Kaylor
Valerie 'Val' Owens
Mink Reynolds
Amy 'Miss Diesel of 1958' Phillips
Wally Morse
'Dunc' Clayton
Steve Hummel / Mr. Brown
Payson
Lennie Owens
Mabel (uncredited)
Club Patron (uncredited)
Diner Patron (uncredited)
Doctor (uncredited)
Handler (uncredited)
Frank Ainsley (uncredited)
Howard (uncredited)
