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