as Merlin's Chauffeur (uncredited)
as Captain of Guard (uncredited)
as Sir Bedivere (uncredited)
as Barrett's Aide
as Lieutenant Commander (uncredited)
as Seabee (uncredited)
as Corporal (uncredited)
as Gideon Spillet
as Sheriff
as Fred Mallen
as Mounted Cossack Officer
as Captain (Uncredited)
as Utah Kid
as Mine Boss
as Sheriff Jed Hawkins
as Red Robert
as RCMP Sergeant Dickson
as Captain (uncredited)
as Federal Man
as Politician (uncredited)
as Henchman Lucky Cramer
as George Millarde
as Tom Sneed
as Patrol Captain
as Morelli
as Jim Laren
as Ship's Purser
as Keeler
as Fenton
as Syndicate Man (uncredited)
as Sheriff Gilchrist
as Detective
as Ringmaster (uncredited)
as Cash Jennings
as Lefty - Henchman [Chs.1-4,7-9]
as Swede (uncredited)
as Mr. Long
as Jeff Carson
as Charles Bentley
as Roper - Jeff's First Mate [Chs.1-2, 5-8]
as Roger Bigsby
as Decker - Boss
as Unspecified Saboteur
as Ed Hammond
as Bruce Carter
as Nick Joel
as Police Capt. Reilly
as Lester Ward
as Vic Hardy
as Stanley Rand
as Sir Lancelot
as Paul Radcliffe
