Jack Stewart

as Stoker Barrett (uncredited)

as MacLachlan

as Thorne

as Seaman (uncredited)

as Ed Barrow (uncredited)

as Mr. Campbell

as Skipper

as Godfrey Mason

as Landlord

as Tyson

as Leading Seaman Kelly

as Police Escort

as Dominie

as M.I.5 Radio Operator (uncredited)

as Willie Duncan

as Gregson

as Pte. Wentworth

as Thomas - the Gatekeeper (uncredited)

as McKay

as Peter Reilly

as MacLelland

as Inspector Matheson

as Dr. MacKenzie

as Reporter

as Mike Cutler

as Inspector Bennett

as Bridge Engineer

as Charlie Benson

as Gibson