Gilbert Wynne as Harry Clegg

Gillian Grant as Suzy the Slag

Gary Hope as Francis Wildman

Ronald Leigh-Hunt as Inspector Kert

Norman Claridge as Lord Cruikshank

Michael Nightingale as Col. Sullivan

Jenny Robbins as Shirley Jones

Heather Downham as Receptionist

Michael Crane as Dirty Giant

Dave Carter as 1st Torpedo

John Owens as 5th Torpedo

Vincent Harding as 6th Torpedo

A. J. Brown as Joseph Valentine