Ah, those hot-blooded Latins. Well:

Daniels was born Phyllis Virginia Daniels (Bebe was a childhood nickname) in Dallas, Texas. Her father was a travelling theater manager, Scottish-born Melville Daniel MacMeal who changed his name to Danny Daniels after a disagreement with his own father over his ambition to change from the medical profession to show business.[1] Her mother was a stage actress, born Phyllis de Forest Griffin, who was in Danny's travelling stock company when their child was born.

And:

Cortez came to the United States when he was one year old —or was born to a Jewish family in New York City  (Viennahas been incorrectly cited as his birthplace)

When rumor began to circulate that Cortez was not actually Spanish, the studios attempted to pass him off as French before finally "admitting" to his supposedly Vienneseorigin