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)
Lane Chandler
— Captain of Guards (uncredited)
Ralph Byrd
— French Lieutenant (uncredited)
Maurice Black
— Pigeon Vendor (uncredited)
Pat Somerset
— English General (uncredited)
Sidney Bracey
— Secretary (uncredited)
Drew Demorest
— French Officer (uncredited)