Alec Guinness as Sidney Stratton

Joan Greenwood as Daphne Birnley

Cecil Parker as Alan Birnley

Michael Gough as Michael Corland

Ernest Thesiger as Sir John Kierlaw

Vida Hope as Bertha

Howard Marion-Crawford as Cranford

Miles Malleson as The Tailor

Henry Mollison as Hoskins

Patric Doonan as Frank

Duncan Lamont as Harry

Harold Goodwin as Wilkins

Colin Gordon as Hill

Joan Harben as Miss Johnson

Arthur Howard as Roberts

Roddy Hughes as Green

Stuart Latham as Harrison

Edie Martin as Mrs. Watson

Mandy Miller as Gladdie

Charlotte Mitchell as Mill Girl

Olaf Olsen as Knudsen

Desmond Roberts as Mannering

Ewan Roberts as Fotheringay

John Rudling as Wilson

Charles Saynor as Pete

Russell Waters as Davidson

Brian Worth as King

George Benson as The Lodger

Frank Atkinson as The Baker

Charles Cullum as 1st Company Director

F.B.J. Sharp as 2nd Company Director

Scott Harrold as Express Reporter

Jack Howarth as Receptionist at Corland Mill

Jack McNaughton as Taxi Driver

Judith Furse as Nurse Gamage

Billy Russell as Nightwatchman

Andy Alston as Mill Worker (uncredited)

Jack Arrow as Mill Worker (uncredited)

David Boyd as Office Boy (uncredited)

Jim Brady as Mill Worker (uncredited)

Harold Coyne as Mill Worker (uncredited)

Dan Cressey as Lab Technician (uncredited)

Alan Haines as Reporter (uncredited)

Laurence Hepworth as Chauffeur (uncredited)

Frank Howard as Mill Worker (uncredited)

Gertrude Kaye as Mill Worker (uncredited)

Jimmy Millar as Mill Worker (uncredited)

Arthur Mullard as (uncredited)

Joe Phelps as Mill Worker (uncredited)

Johnny Rossi as Baker (uncredited)

Carol Wolveridge as Schoolgirl in Front of Class (uncredited)