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