House Peters Jr.

as Officer at Police Station (uncredited)

as M.P. Captain at Barnhardt's

as Policeman (uncredited)

as Passing Soldier - Veteran (uncredited)

as Pardee Officer

as Shark Man

as Henchman Earl [Chs. 7-15]

as Steve - Border Inspection Officer

as Dr. Boulting - Mitchell's Assistant

as Miner (uncredited)

as Burt Winslow

as Henchman Ed

as Mark Cambridge, a reporter

as Curt Warren

as Holman

as Hank

as Football Playing Student

as 'Rocky' Steuber

as Self (archive footage)

as Lieutenant Trent