as Anthony Herman
as Dawson
as Bert / Mermonkey (voice)
as Gilman
as Captain Morgan
as Nicholas 'Nick' Allen
as Brack Warren
as Babe
as Marc Antony
as Mike - Dynamo Operator (uncredited)
as Policeman (uncredited)
as Bill Morgan
as Henchman Roach (uncredited)
as Don DeLuca - Henchman
as Dan Gordon [Chs. 1, 8-10]
