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