
An English professor decides that there are too many useless people in the world and invents a gas that will kill them off. But first they'll at least have a good laugh.

as Professor Kerris Bowles-Ottery

as Delia Brooks

as Clarinda Bowles-Ottery

as Dr. John Hughes

as Dr. Woolley

as Willie Pugh-Smith

as Dr. Fisher

as TV Make-Up Girl

as Mrs. Pugh-Smith

as Dr. Brass

as Inspector Butts

as Superintendent Rastleigh

as Epicene

as Tom Pike

as The Master

as Detective Inspector Armstrong

as Hodges

as Dr. Rossiter