as Agent Pete Griswold
as Captain Phillip Philpott
as Leach Overmile
as Happy McGuire
as Jimmy Wallace
as Bunt Cavatt
as Bert Adams
as Henry Hyer
as Mr. Farnum
as Attorney Whiffen
as Scoop McPhail
as Skipper Joe
as Sam
as Peter Harris
as Mark
as Self (archive footage)
as Agent Gabby Lambert
as Newlywed (uncredited)
as DuPont
as Bartender
as Littleworth
as Johnny Walsh
as Harry
as Flash
as Hector Bailey
as Jeff Mullins
as George Thomas
as Jammer Jones
as Russell Kirk - Reporter
as Perry Brown
as Joe Lang
as 'Jack' Jackson
as Sour-Puss
as Jock McPhail
as Jake Callahan
as Tod McDuff
as Steve Riggs
as Hank Rinebow
as Joe Biggers
as Mr. Whitlock
as Frank
as Regret
as Gus McNeal
as Corky
as Steve Dorsey
as Honeysuckle
as Oklahoma
as Charles Lee
as Brown
as Oliver Quade
as Hank Hyer
as Joe Hart
as Dr. Parkhouse
as Narrator