Nova Pilbeam
Lady Jane Grey
Cedric Hardwicke
Earl of Warwick
John Mills
Lord Guilford Dudley
Felix Aylmer
Edward Seymour
Leslie Perrins
Thomas Seymour
Frank Cellier
Henry VIII
Desmond Tester
Edward VI
Gwen Ffrangcon Davies
Mary Tudor (as Gwen Ffrangcon-Davies)
Martita Hunt
Jane's Mother
Miles Malleson
Jane's Father
Sybil Thorndike
Ellen
Peter Croft
Confidant of Thomas Seymour
Albert Davies
Barnaby Fitzpatrick
Shaun Desmond
Undetermined Role
Edward Dignon
Undetermined Role
Roy Emerton
Squire
C. V. France
Clergy at Execution
Arthur Goullet
Sir John Gates
Henry Hallett
Undetermined Role
John Laurie
John Knox
Eugene Leahy
Undetermined Role
Fewlass Llewellyn
Undetermined Role
Cicely Paget-Bowman
Courtier
John Singer
Boy
John Turnbull
Arundel