The Guinea Pig

Richard Attenborough

Jack Read

Sheila Sim

Lynne Hartley

Bernard Miles

Mr. Read

Cecil Trouncer

Lloyd Hartley

Joan Hickson

Mrs. Read

Edith Sharpe

Mrs. Hartley

Robert Flemyng

Nigel Lorraine

John Forrest

Fitch

Herbert Lomas

Sir James Corfield

Brenda Hogan

Lorna Beckett

Wally Patch

Uncle Percy

Olive Sloane

Aunt Mabel

Hay Petrie

Peck

Timothy Bateson

Tracey

Kynaston Reeves

The Bishop

Anthony Nicholls

Mr. Stringer

Clive Baxter

Gregory

Basil Cunard

Buckton

Maureen Glynne

Bessie

Anthony Newley

Miles Minor

Oscar Quitak

David Tracey

Peter Reynolds

Grimmett

Tony Wager

Bert

Percy Walsh

Alec Stevens

Norman Watson

Fanshaw

Ray Cooney

Ambrose Day

Robert Desmond

(Uncredited)

Edward Judd

James Kenney

Michael McKeag

Jack McNaughton

Desmond Newling

Digby Wolfe