The Firefly

Jeanette MacDonald

Nina Maria

Allan Jones

Don Diego

Warren William

Major de Rouchemont

Billy Gilbert

Innkeeper

Henry Daniell

General Savary

Douglass Dumbrille

Marquis de Melito

Leonard Penn

Etienne

Tom Rutherford

King Ferdinard

Belle Mitchell

Lola

George Zucco

Secret Service Chief

Corbet Morris

Duval

Matthew Boulton

Wellington

Stanley Price

Joseph Bonaparte (uncredited)

Ian Wolfe

Izquierdo (uncredited)

Brandon Hurst

English General (uncredited)

Pedro de Cordoba

Spanish General (uncredited)

Edward Keane

French Chief of Staff (uncredited)

Dennis O'Keefe

French Soldier Admirer (uncredited)

Theodore von Eltz

Captain Pierlot (uncredited)

Robert Spindola

Juan (uncredited)

Jason Robards Sr.

Civilian Spanish Patriot (uncredited)

Rolfe Sedan

Hat Vendor (uncredited)

Frank Puglia

Pablo (uncredited)

Karl Hackett

Spaniard (uncredited)