Stacy Keach
Martin Luther
Hugh Griffith
Tetzel
Judi Dench
Katharina
Peter Cellier
Prior
Leonard Rossiter
Brother Weinand
Patrick Magee
Luther's Father
Thomas Heathcote
Friend
Julian Glover
Knight
M
Matthew Guinness
Reading Knight
P
Peter Kenvyn
Praying Monk (uncredited)
Tom Baker
Pope Leo X
M
Malcolm Stoddard
Emperor Charles the Fifth
B
Bruce Carstairs
Duke Frederick Elector of Saxony
Robert Stephens
Johann von Eck
Alan Badel
Cardinal Cajetan de Vio
Maurice Denham
Johann von Staupitz Vicar General