John Derek

Prince Roland

Barbara Rush

Countess Nita Orde

Carla Balenda

Princess Maria

Whitfield Connor

King Stephan

Edgar Barrier

Count Blanco

Robert Shayne

Prime Minister Treeg

Harry Lauter

Jan

Don C. Harvey

Koepke (as Don Harvey)

Henry Rowland

Greb

Britt Lomond

Brenner (as Glase Lohman)

Gene Roth

Captain Brock

Bob Peoples

Carl

Sandy Sanders

Meyers

Joe McGuinn

General DuBois (as Joseph F. McGuinn)

Al Cantor

Lund

Edward Colmans

Spanish Admiral

Stanley Blystone

Captain Brock's First Mate (uncredited)

James Dime

Pirate (uncredited)

Eddie Foster

Sailor (uncredited)

John Hart

Captain of the Guards (uncredited)