Eric Barker

as Field Marshal Hune

as Captain Potts / Inspector Mills / The Chief (archive footage)

as Prof. Bannen

as Culpepper Brown

as Professor Halfbeck

as The Chief

as Mr Parkes, the Foreman

as Mr. Gallagher

as Bank Manager

as M.I.5. Man

as Wentworth

as Police Doctor

as Dr. Morgan Rutherford

as Colonel J.J. Proudfoot

as Culpepper-Brown

as Capt. David Foster

as The Dean

as Inspector Mills

as Bert Glimmer

as Captain Potts