"The Screen Guild Theater" broadcast a 30 minute radio adaptation of the movie on January 28, 1945 with Wayne Morris and Ronald Reagan reprising their film roles.

Frank Coghlan Jr. is in studio records/casting call lists as "Fourth Classman," but he was not seen in the movie.

Eddie Albert's film debut.

Ronald Reagan met his first wife Jane Wyman during the production of this film.

After this picture was completed, Ronald Reagan was made an honorary "Brother Rat" at Virginia Military Institute.

Followed by a sequel, Brother Rat and a Baby.

The play opened on Broadway in New York City, New York, USA on 16 December 1936 and closed in May 1938 after 577 performances. Eddie Albert originated his movie role as Bing Edwards in the play. The opening night cast also included Frank Albertson as Billy Randolph, Wyn Cahoon as Joyce Winfree, José Ferrer as Dan Crawford and Ezra Stone as Misto Bottome.