as M.P. Captain at Barnhardt's
as Officer at Police Station (uncredited)
as Policeman (uncredited)
as Pardee Officer
as Henchman Ed
as Passing Soldier - Veteran (uncredited)
as Mark Cambridge, a reporter
as Hogan (uncredited)
as Henchman Earl [Chs. 7-15]
as Burt Winslow
as 'Rocky' Steuber
as Self (archive footage)
as Dr. Boulting - Mitchell's Assistant
as Hank
as Agent Burke
as Jim Tullett
as Steve - Border Inspection Officer
as Curt Warren
as Racetrack Spectator
as Coggins
as Ed Hooper
as Marshal Jim Hackett
as Deputy Jack Thorpe
as The Dude
as Lieutenant Trent
as Ralph Carruthers
as Holman
as Henry
as Detective (uncredited)
as Courier
as Henchman Mike
as House Peters
as Robert Shaw
as Cal Saunders
as Sheriff Towey[Chs. 1-2, 5-6, 11]
as Football Playing Student
as Kirk Wheeler - Henchman
as Wade Shelton
as Jim Shannon
as Jim Garry
as Scheller
as Sam Dawson
as Reporter
as Jim Williams
as Rod
as Bill Grant
as Sheriff Cal
as Randolph
as Burt Larsen
as Plainclothesman
as Police Lt. Jeffers
as Policeman
as Harvey (uncredited)
as Marshal
as Turner
as Nat Swan
as Jake
as Ote Bledsoe
as Frank Parker
