Michael Redgrave

Charles MacIver

Valerie Hobson

Mary Ann Morison

Griffith Jones

David MacIver

Hartley Power

Samuel 'Sam' Cunard

Margaretta Scott

Susan Donaldson

Bessie Love

Begonia Baggot

Milton Rosmer

George Burns

Frederick Leister

James Morison

Henry Oscar

Josiah Eagles

Charles Victor

Tim Grogan

Frank Tickle

Mr. Donaldson

Leslie Bradley

Horatio Stubbs

Felix Aylmer

Bank President

Joss Ambler

Dr. Lardner

Ian McLean

Capt. Woodruff

Joe Cunningham

Capt. Slade

John Salew

Henry

Arthur Goullet

Minor role (uncredited)

James Harcourt

Minor role (uncredited)

Roddy Hughes

Minor role (uncredited)

Harry Lane

Minor role (uncredited)

Aubrey Mallalieu

Minor role (uncredited)

Princess Margaret

Princess Margaret (archive footage)

Queen Elizabeth II of the United Kingdom

Princess Elizabeth (archive footage)

Queen Elizabeth the Queen Mother

The Queen Mother (archive footage)

Ian Wilson

Extra (uncredited)