Question: What is the real name of Imogene "Bubbles" Wilson, who starred in the 1931 American Pre-Code comedy, The Big Shot? 

Context paragraphs:
The Brat: The Brat is a 1931 American Pre-Code comedy film directed by John Ford, starring Sally O'Neil, and featuring Virginia Cherrill.  The film is based on the 1917 play by Maude Fulton.  A previous silent film had been made in 1919 with Alla Nazimova.  This 1931 screen version has been updated to then contemporary standards i.e. clothing, speech, topics in the news.

The Hot Heiress: The Hot Heiress is a 1931 American Pre-Code comedy film directed by Clarence G. Badger and written by Herbert Fields.  The film stars Ben Lyon, Ona Munson, Walter Pidgeon, Tom Dugan, Holmes Herbert and Inez Courtney.  The film was released by Warner Bros. on March 28, 1931.

The Girl Habit: The Girl Habit is a 1931 American pre-Code comedy film directed by Edward F. Cline and written by Owen Davis, Clayton Hamilton, Gertrude Purcell and A.E. Thomas.  The film stars Charlie Ruggles, Tamara Geva, Margaret Dumont, Allen Jenkins and Donald Meek.  The film was released on June 27, 1931, by Paramount Pictures.

High Stakes (1931 film): High Stakes is a 1931 American Pre-Code comedy drama produced and released by RKO Pictures.  The picture was directed by Lowell Sherman who also stars and marks the last starring screen appearance of silent screen diva Mae Murray.  It is based on a 1924 Broadway play that starred Sherman playing the same role he plays in this film.

The Gang Buster: The Gang Buster is a 1931 American Pre-Code comedy film directed by A. Edward Sutherland, and written by Percy Heath and Joseph L. Mankiewicz.  The film stars Jack Oakie, Jean Arthur, William "Stage" Boyd, Wynne Gibson, William Morris and Francis McDonald.  The film was released January 17, 1931, by Paramount Pictures.

Mary Nolan: Mary Nolan (December 18, 1902 – October 31, 1948) was an American stage and film actress, singer and dancer.  She began her career as a Ziegfeld girl in the 1920s performing under the stage name Imogene "Bubbles" Wilson.  She was fired from the "Ziegfeld Follies" in 1924 for her involvement in a tumultuous and highly publicized affair with comedian Frank Tinney.  She left the United States shortly thereafter and began making films in Germany.  She appeared in seventeen German films from 1925 to 1927 using a new stage name, "Imogene Robertson".

Too Young to Marry (1931 film): Too Young to Marry is a 1931 American Pre-Code comedy film directed by Mervyn LeRoy and starring Loretta Young and Grant Withers, a married couple in real life, although it ended with an annulment.  It was produced and distributed by First National Pictures.  It is based on a 1929 play "Broken Dishes" by Martin Flavin.

The Big Shot (1931 film): The Big Shot is a 1931 American Pre-Code comedy film directed by Ralph Murphy and written by Earl Baldwin, Hal Conklin, George Dromgold, and Joseph Fields.  The film stars Eddie Quillan, Maureen O'Sullivan, Mary Nolan, Roscoe Ates and Belle Bennett.  The film was released on December 18, 1931, by RKO Pictures.

Local Boy Makes Good: Local Boy Makes Good is a 1931 American Pre-Code comedy film directed by Mervyn LeRoy and written by Robert Lord, Raymond Griffith and Ray Enright.  The film stars Joe E. Brown, Dorothy Lee, Ruth Hall, Edward Woods, Edward Nugent and Wade Boteler.  The film was released by Warner Bros. on November 27, 1931.

June Moon (film): June Moon is a 1931 American Pre-Code comedy film directed by A. Edward Sutherland and written by George S. Kaufman, Ring Lardner, Vincent Lawrence, Joseph L. Mankiewicz and Keene Thompson.  The film stars Jack Oakie, Frances Dee, Wynne Gibson, Harry Akst and June MacCloy.  The film was released on March 21, 1931, by Paramount Pictures.

Supporting paragraphs: The Big Shot (1931 film) Mary Nolan
Answer: Mary Nolan