The Winslow Boy

Robert Donat

Sir Robert Morton

Cedric Hardwicke

Arthur Winslow

Margaret Leighton

Catherine Winslow

Basil Radford

Desmond Curry

Kathleen Harrison

Violet

Francis L. Sullivan

Attorney General

Marie Lohr

Grace Winslow

Jack Watling

Dickie Winslow

Walter Fitzgerald

First Lord

Frank Lawton

John Watherstone

Neil North

Ronnie Winslow

Nicholas Hannen

Col. Watherstone

Mona Washbourne

Miss Barnes

Stanley Holloway

Comico

Wilfrid Hyde-White

Wilkinson

Evelyn Roberts

Hamilton MP

W.A. Kelley

Brian O'Rourke

Edward Lexy

First Elderly Member

Vera Cook

Violet's friend

Hugh Dempster

Agricultural Member

Gordon McLeod

2nd. Elderly Member - Smoking Room

Ivan Samson

Captain Flower

Kynaston Reeves

Lord Chief Justice

Charles Groves

Clerk of the Court

Ernest Thesiger

Mr. Ridgeley Pierce

Cyril Ritchard

Himself

Lewis Casson

Adm. Springfield (uncredited)

Colin Gordon

Reporter Interviewing Dickie (uncredited)

Mary Hinton

Mrs. Elliott (uncredited)

David Horne

Bank Manager (uncredited)

Noel Howlett

Mr. Williams (uncredited)

Aubrey Mallalieu

Mr. Roberts (uncredited)

Dandy Nichols

Miss Hawkins (uncredited)

Philip Ray

First Speaking Member (uncredited)

Bill Shine

Fred (uncredited)

Frank Tickle

Mr. Gunn (uncredited)

Margaret Withers

Mrs. Jordan (uncredited)