Arsène Lupin

John Barrymore

Duke of Charmerace

Lionel Barrymore

Detective Guerchard

Karen Morley

Sonia

John Miljan

Prefect of Police

Tully Marshall

Gaston Gourney-Martin

Henry Armetta

Sheriff's Man

George Davis

Sheriff's Man

John Davidson

Gourney-Martin's Butler

?

James T. Mack

Laurent

Mary Jane Irving

Marie

Mischa Auer

Louvre Tour Guide (uncredited)

Symona Boniface

Party Guest (uncredited)

?

Jack Byron

Louvre Guard (uncredited)

?

Jack Deery

Gendarme (uncredited)

Claire Du Brey

Mother at the Louvre (uncredited)