Cast
John Mills
Lord Guilford Dudley
Felix Aylmer
Edward Seymour
John Laurie
John Knox
John Singer
Boy
Cedric Hardwicke
Earl of Warwick
Roy Emerton
Squire
C. V. France
Clergy at Execution
Sybil Thorndike
Ellen
Nova Pilbeam
Lady Jane Grey
Leslie Perrins
Thomas Seymour
Frank Cellier
Henry VIII
Desmond Tester
Edward VI
Martita Hunt
Jane's Mother
John Turnbull
Arundel
Gwen Ffrangcon Davies
Mary Tudor (as Gwen Ffrangcon-Davies)