Johnnie Byrne

Peter Finch

Fred Andrews

Stanley Holloway

Pauline West

Mary Peach

Roger Renfrew

Donald Pleasence

Charlie Young

Mervyn Johns

Mary

Billie Whitelaw

Tim Maxwell

Hugh Burden

Flagg

Dennis Price

Alice Byrne

Rosalie Crutchley

Man with Bucket on His Head (uncredited)

Oliver Reed

Dr. West

Michael Goodliffe

Charlie Young

Mervyn Jones

The Prime Minister - Reginald Stevens

Geoffrey Keen

Sydney Johnson

Paul Rogers

Henderson

Peter Barkworth

Sheilah

Fenella Fielding

Mrs. Sarah Arscott - Constituent at Party Meeting

Gladys Henson

Frank

Derek Francis

Drake

Conrad Phillips

Labour Party Member

Maureen Pryor

Edward Collins

George Rose

M.P.

Peter Sallis

Man Bench by the River Thames (uncredited)

Jack Armstrong

Gregson, BBC Reporter (uncredited)

John Arnatt

MP (uncredited)

Hyma Beckley

MP Smoking on Terrace (uncredited)

Paul Beradi

MP (uncredited)

Ernest Blyth

Speaker of the House (uncredited)

A. J. Brown

Pub Customer (uncredited)

John Blythe

Constituent (uncredited)

Avis Bunnage

Mary's Housekeeper (uncredited)

Marie Burke

Man at Earnley Station (uncredited)

Jimmy Charters

Sheilah's Party Guest (uncredited)

Donald Churchill

M.P. (uncredited)

Ernest Clark

Pretty Girl (uncredited)

Marian Collins

Earnley Constituent (uncredited)

Mark Dignam

MP (uncredited)

Rex Garner

Terry Langham (uncredited)

Philip Gilbert

Taxi Driver (uncredited)

Fred Griffiths

MP (uncredited)

Jack Gwillim

MP (uncredited)

Victor Harrington

MP (uncredited)

Lindsay Hooper

House of Commons Archivist (uncredited)

Walter Horsbrugh

Labour Party Member greeting Johnnie Byrne (uncredited)

Howard Lang

Woman on Euston Station Platform (uncredited)

Aileen Lewis

Dancer in Nightclub (uncredited)

Jack Mandeville

Bobby (uncredited)

Colin McKenzie

Postmaster-General (uncredited)

William Mervyn

M.P - House of Commons Entrance Area (uncredited)

Philip Ray

MP (uncredited)

Jessie Robins

Sykes of the Herald (uncredited)

Norman Rossington

Dying Minister (uncredited)

Robert Sansom

Railway Station Master (uncredited)

John Sharp

MP (uncredited)

Emile Stemmler

Sheilah's Party Guest (uncredited)

Jimmy Thompson

Waiter (uncredited)

Joseph Tregonino

Party Guest (uncredited)

Yolande Turner

Well-wisher at Train Station (uncredited)

Mona Washbourne

MP (uncredited)

Johnny Wyne