Julie Harris
— Queen Victoria
James Donald
— Prince Albert
Basil Rathbone
— Prime Minister Benjamin Disraeli (Lord Beaconsfield)
Pamela Brown
— Duchess of Kent
Geoffrey Lumb
— Archbishop
Felix Aylmer
— Lord Melbourne
Sorrell Booke
— James
Francis Compton
— Richards
Edward Cullen
— John Brown
Robert Downing
— Prince of Wales
Louis Edmonds
— Prince Ernest
Isabel Jeans
— Mistress of the Robes
Barry Jones
— The Dean
Tom McDermott
— General Grey
Eleanor Phelps
— Royal Princess
Inga Swenson
— Lady Jane
George Turner
— Footman