Sylvia Sidney
Nancy Lane / Princess Catterina
Cary Grant
Porter Madison III
Edward Arnold
Richard M. Gresham
Henry Stephenson
King Anatol XII
Vince Barnett
Count Nicholeus
Edgar Norton
Baron Passeria
Comedy
Romance
Thirty Day Princess
A European princess arrives in New York City to secure a much-needed loan for her country. She contracts the mumps, and an actress who looks exactly like her is hired to impersonate her.
