Ronald Kray / Reginald Kray

Frances Shea

Leonard 'Nipper' Read

Leslie Payne

Mad Teddy Smith

Angelo Bruno

Frank Shea

Charlie Richardson

Elsie Shea

Albert Donoghue

Dr Humphries

Timi Yuro

Harold Wilson

Lord Boothby

Jack 'The Hat' McVitie

Joan Collins

Leslie Holt

Charles Kray Snr

Shirley Bassey

Eddie Richardson

Violet Kray

Ian Barrie

Pat Connolly

Blind Beggar Barmaid

George Cornell

Fuller

Superintendent Cummings

Ronnie Hart

Jack Dickson

Stefan De Faye

Constable Scott

The Double R Club Singer

Philip Testa

Mrs Payne

Hew McCowan

John

Father Foster

Prison Doctor (uncredited)

Guest at Club (uncredited)

Casino Guest (uncredited)

Big Screw

Isabella Rose