The Great Impersonation

Edmund Lowe Sir Everard Dominey / Baron Leopold von Ragostein

Valerie Hobson Eleanor Dominey

Wera Engels Princess Stephanie Elderstrom

Murray Kinnell Seaman

Henry Mollison Eddie Pelham

Esther Dale Mrs. Unthank

Brandon Hurst Middleton

Ivan F. Simpson Dr. Harrison

Spring Byington Duchess Caroline

Lumsden Hare Duke Henry

Charles Waldron Sir Ivan Brunn

Leonard Mudie Mangan

Claude King Sir Gerald Hume

Frank Reicher Dr. Trenk

Harry Allen Perkins

Nan Grey Middleton's Daughter (uncredited)

Willy Castello Duval (uncredited)

Priscilla Lawson Maid (uncredited)

Virginia Hammond Lady Hume (uncredited)

Thomas R. Mills Bartender (uncredited)