Fred Emney

Dr. Septimus Jankers

Cardew Robinson

Cardew the Cad

Miriam Karlin

'The Private Eye'

Gabrielle Brune

Matron

Vera Day

Maisie

Aud Johansen

Mlle. Praline

Claude Hulbert

Mr. Winkle

Freddie Mills

Harry the Scar

Davy Kaye

Ferdy

Johnny Brandon

Fanshaw

Ronnie Corbett

Chumleigh

Roger Avon

Horsetrough

Stanley Unwin

The Guide

Peter Butterworth

The Potter

Paul Daneman

Fudge - The Porter

Kynaston Reeves

Mc. Tavish

Gerald Campion

Fatty Gilbert

Dino Galvani

Prof. Stromboli

Stuart Saunders

Station Sergeant

Tom Gill

Constable

Melvyn Hayes

Heckling Boy at Concert (uncredited)