Martin Luther

Stacy Keach

Acting

Tetzel

Hugh Griffith

Acting

Katharina

Judi Dench

Acting

Prior

Peter Cellier

Acting

Brother Weinand

Leonard Rossiter

Acting

Luther's Father

Patrick Magee

Acting

Friend

Thomas Heathcote

Acting

Knight

Julian Glover

Acting

Reading Knight

Matthew Guinness

Acting

Praying Monk (uncredited)

Peter Kenvyn

Acting

Pope Leo X

Tom Baker

Acting

Emperor Charles the Fifth

Malcolm Stoddard

Acting

Duke Frederick Elector of Saxony

Bruce Carstairs

Acting

Johann von Eck

Robert Stephens

Acting

Cardinal Cajetan de Vio

Alan Badel

Acting

Johann von Staupitz Vicar General

Maurice Denham

Acting