Basil Rathbone as Richard - Duke of Gloucester

Boris Karloff as Mord

Barbara O'Neil as Queen Elyzabeth

Ian Hunter as King Edward IV

Vincent Price as Duke of Clarence

Nan Grey as Lady Alice Barton

Ernest Cossart as Tom Clink

John Sutton as John Wyatt

Leo G. Carroll as Lord Hastings

Miles Mander as King Henry VI

Lionel Belmore as Beacon - a Chamberlain

Rose Hobart as Anne Neville

Ronald Sinclair as Boy King Edward

John Herbert-Bond as Young Prince Richard

Ralph Forbes as Henry Tudor

Frances Robinson as Duchess Isobel

G.P. Huntley as Wales

John Rodion as Lord DeVere

Walter Tetley as Chimney Sweep

Donnie Dunagan as Baby Prince

Stanley Blystone as First Gate Guard Greeting Tom Clink (uncredited)

Joan Carroll as Lady Mowbray (uncredited)

Caroline Frances Cooke as Woman (uncredited)

Jean Fenwick as Lady in Waiting (uncredited)

Robert Greig as Friar Cautioning John Wyatt (uncredited)

Holmes Herbert as Councilman (uncredited)

P.J. Kelly as Beggar (uncredited)

Murdock MacQuarrie as Councilman (uncredited)

Merrill McCormick as Beggar (uncredited)

C. Montague Shaw as Majordomo (uncredited)

Ann E. Todd as Princess (uncredited)

Ernie Adams as Thirsty Prisoner (uncredited)

Richard Alexander as 2nd Gate Guard Greeting Tom Clink (uncredited)

Harry A. Bailey as Councilman (uncredited)

Reginald Barlow as Sherriff (uncredited)

Ted Billings as Beggar (uncredited)

Ed Brady as Beggar (uncredited)

Louise Brien as Lady in Waiting

Howard Brooks as Cardinal

Georgia Caine as Dowager

Harry Cording as Lead Murderer of the Children

Nigel De Brulier as Archbishop at St. John's Chapel (uncredited)

Fred Farrell as Beggar (uncredited)

Martin Faust as Dighton (uncredited)

Al Ferguson as Cleric (uncredited)

John George as Spy (uncredited)

Robert Greig as Friar Cautioning John Wyatt

Frank Hagney as Soldier (uncredited)

Sibyl Harris as Woman

Ivo Henderson as Haberdeer

Colin Kenny as Soldier

George Lloyd as Moat Guard

Michael Mark as Henry VI's Servant

James Pier Mason as Beggar

Charles Miller as Councilman

Arthur Mulliner as Councilman

Claude Payton as Councilman

Charles Peck as Page Boy

Russ Powell as Sexton

Francis Powers as Priest

Evelyn Selbie as Beggar Woman

Venetia Severn as Princess

Yvonne Severn as Princess

Edgar Sherrod as Priest

Ivan F. Simpson as Anne's Protector

Jack C. Smith as Forrest

Schuyler Standish as Page

Arthur Stenning as Soldier

Donald Stuart as Torturer Bunch

Denis Tankard as Beggar

Cyril Thornton as Prisoner

David Thursby as Beggar

Claire Whitney as Civilian Woman

Guy York Jr. as Soldier