The Black Sheep of Whitehall

Will Hay

Prof. Davis

John Mills

Bobby Jessop

Basil Sydney

Costello

Felix Aylmer

Crabtree

Thora Hird

Joyce

Henry Hewitt

Prof. Davys

Owen Reynolds

Harman

Frank Cellier

Innsbach

Joss Ambler

Sir John

Frank Allenby

Onslowe

Margaret Halstan

Matron

Barbara Valerie

Sister Spooner

Leslie Mitchell

B.B.C. Interviewer

George Woodbridge

Male Nurse

George Merritt

Station Master

Aubrey Mallalieu

Ticket Collector

Diana Beaumont

Sister at Nursing Home

John Boxer

Hotel Receptionist

Cyril Chamberlain

B.B.C. Producer

Richard George

Hospital Nurse