Hal Taliaferro

as Bone

as Buck Hanley (uncredited)

as Sgt. Gowdy

as Old Leather

as Billy Smith

as Doctor (uncredited)

as Nugget

as Officer Gus Johnson (uncredited)

as Matt Farrell

as Henchman Red Higgins

as Steve Lacey

as Baxter

as Walter Bishop

as Lawson [Ch. 1, 6-7]

as Ferguson

as Matt Ferguson

as Taggart

as Lt. Cmdr. Hood (uncredited)

as Wagner

as Haldey

as Henchman Slade

as Steve Corlan

as Murdered Station Agent

as Henchman

as Frank Rodgers