Thirty Day Princess

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

Ray Walker

Dan Kirk

Lucien Littlefield

Parker

Robert McWade

Managing Editor

George Baxter

Donald Spottswood

Marguerite Namara

Lady in Waiting

William Arnold

City Editor (uncredited)

William Augustin

Detective #2 (uncredited)

Allan Cavan

Court Officer (uncredited)

Jean Chatburn

Blonde (uncredited)

Oliver Cross

Court Officer (uncredited)

Edgar Dearing

Tim - Policeman at Mrs. Schmidt's (uncredited)

Sayre Dearing

Ceremonial Guest (uncredited)

Adolph Faylauer

Reception Guest (uncredited)

Jean Fowler

Guest (uncredited)

Dick Gordon

Ceremonial Guest (uncredited)

Sam Harris

Court Officer (uncredited)

Carey Harrison

Court Officer (uncredited)

Jack Holmes

Radioman at Boat (uncredited)

Robert Homans

Detective #1 (uncredited)

Thomas Monk

Gresham's Butler (uncredited)

Edmund Mortimer

Court Officer (uncredited)

Dick Rush

Police Sergeant (uncredited)

Loretta Russell

Guest (uncredited)

Scott Seaton

Guest (uncredited)

Phillips Smalley

Reception Guest (uncredited)

Frederick Sullivan

Doctor at Gresham's (uncredited)

Bruce Warren

Spottswood's Friend (uncredited)

Eleanor Wesselhoeft

Mrs. Schmidt (uncredited)