Thirty Day Princess (1934)

 |  Comedy, Romance  |  18 May 1934 (USA)
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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.



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Complete credited cast:
Nancy Lane / Princess Catterina
Porter Madison III
Richard M. Gresham
Henry Stephenson ...
King Anatol XII
Vince Barnett ...
Count Nicholaus
Edgar Norton ...
Baron Passeria
Dan Kirk
Lucien Littlefield ...
Robert McWade ...
Managing Editor
George Baxter ...
Donald Spottswood
Marguerite Namara ...
Lady in Waiting


On a visit to a spa in the Ruritanian Kingdom of Tyronia, American financier Richard Gresham meets the country's ruler, King Anatol XII, and convinces him that he could arrange for $50 million dollars in loans to benefit his impoverished nation if the king's charming daughter could do reciprocal public relations in the States. Unfortunately Princess Catterina falls ill with the mumps and is quarantined for a month aboard ship. Rather than risk having his very lucrative endorsement deal fall through, Gresham hires out-of-work lookalike actress Nancy Lane to impersonate Catterina. Complications arise when she falls in love with investigative reporter Porter Madison, who is looking into Nancy Lane's disappearance. She tries to maintain the precariously delicate balance of playing the two parts convincingly with both the loan and her heart at stake. Written by

Plot Summary | Add Synopsis


Comedy | Romance





Release Date:

18 May 1934 (USA)  »

Also Known As:

30 Dias Princesa  »

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:

(Western Electric Noiseless Recording)

Aspect Ratio:

1.37 : 1
See  »

Did You Know?


One of over 700 Paramount Productions, filmed between 1929 and 1949, which were sold to MCA/Universal in 1958 for television distribution, and have been owned and controlled by Universal ever since. See more »


King Anatol: It's extraordinary how much you look like Zizi! Tell me, have you any royal blood in your veins?
Princess Catterina: I don't think so, Your Majesty.
King Anatol: Well, my dear, one can never tell.
See more »

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User Reviews

A Deal Made in Mud
3 September 2010 | by (Buffalo, New York) – See all my reviews

Although Thirty Day Princess is part of a recently released early Cary Grant collection on DVD, it is actually a film in which Sylvia Sidney stars and gets her turn at a dual role. In both parts Sylvia acquits herself well indeed.

King Henry Stephenson of the Balkan country of Taronia and international banker Edward Arnold meet in a mud-bath at a European resort spa. The king negotiates a loan with Arnold to be paid with bonds, but who to sell the bonds? It is agreed that the princess and heir to the throne Sylvia Sidney will undertake a goodwill tour of the USA to sell those bonds.

But right at the beginning of the tour, the princess develops the mumps and is quarantined for thirty days. A dead ringer actress also played by Sidney is hired by Arnold to step in.

Newspaper publisher Cary Grant doesn't like Arnold or bankers in general on principle. Remember this is the Depression and the New Deal was taking shape. He investigates the situation personally, but starts falling for the princess who he knows is out of his class. But Sidney who is a down and out actress who will be giving up her role like Cinderella shortly knows that the wealthy Grant is out of her's.

How all this gets resolved is what you see Thirty Day Princess for. It is primarily a show for Sylvia Sidney though a young Cary Grant has some good scenes for himself there. He was not yet a movie legend, but gave every indication of becoming one.

5 of 8 people found this review helpful.  Was this review helpful to you?

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