Fay Compton
Mary Stuart
Gerald Ames
Bothwell
Ivan Samson
Lord Dudley
John Stuart
George Douglas
E
Ellen Compton
Queen Elizabeth
L
Lionel d'Aragon
Moray
Harvey Braban
Ruthven
Irene Rooke
Catherine de Medici
D
Donald Macardle
Francis II
René Maupré
Rizzio
E
Ernest A. Douglas
Cardinal
S
Sydney Seaward
Lord Douglas
E
Edward Sorley
John Knox
Betty Faire
Mary Beaton
Dorothy Fane
Mary Beaton
N
Nancy Kenyon
Mary Fleming
J
Julie Hartley-Milburn
Mary Seaton
Basil Rathbone
Undetermined Subordinate Role
Jack Cardiff