[1] After beginning her entertainment career as a chorus girl at the age of twelve, she became more well known for her roles in several Hollywood films.

[4] She signed a contract with Warner Brothers in October 1929, and with Columbia Pictures in June 1934.

Modern viewers will recognize Mitchell from her appearances in the Three Stooges 1935 films Restless Knights, Pop Goes the Easel, and particularly Hoi Polloi.

In Hoi Polloi, Mitchell plays a dance instructor who directs the Stooges to "do exactly as I do."

In March 1922,[6] when she was 14, she married Robert Savage, the son of a millionaire, in Milford, Connecticut.