Fay Compton

Mary Stuart

Acting

Gerald Ames

Bothwell

Acting

Ivan Samson

Lord Dudley

Acting

John Stuart

George Douglas

Acting

Ellen Compton

Queen Elizabeth

Acting

Lionel d'Aragon

Moray

Acting

Harvey Braban

Ruthven

Acting

Irene Rooke

Catherine de Medici

Acting

Donald Macardle

Francis II

Acting

René Maupré

Rizzio

Acting

Ernest A. Douglas

Cardinal

Acting

Sydney Seaward

Lord Douglas

Acting

Edward Sorley

John Knox

Acting

Betty Faire

Mary Beaton

Acting

Dorothy Fane

Mary Beaton

Acting

Nancy Kenyon

Mary Fleming

Acting

Julie Hartley-Milburn

Mary Seaton

Acting

Basil Rathbone

Undetermined Subordinate Role

Acting

Jack Cardiff

Camera