Alastair Sim

Rev. William Paris

Elizabeth Allan

Angela Prout

Roland Culver

George Prout

Colin Gordon

Professor Mutch

Martita Hunt

Lady Dodd

Janet Brown

Jessie

Peter Martyn

Walter

Miles Malleson

Dr. Hector McAdam

Edward Chapman

Joseph Byres M.P.

Cyril Chamberlain

Drill Sergeant

Michael Ripper

Drill Corporal

Robin Bailey

Intellectual Corporal

Michael Kelly

Staff Sergeant

Chris Adcock

Soldier in Audience

William Baskiville

Soldier in Audience

Martin Boddey

Visiting Brigadier

Maria Charles

WRAC

George Cole

Soldier in Brains Trust audience