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