[1][2] Bennett began acting in films in 1917 and later made the transition to talking pictures with bit roles in Monsieur Verdoux (1947), Abbott and Costello Meet the Killer, Boris Karloff (1949), and Washington Story (1952).

From 1959 to 1961, she was cast ten times as Blossom Kenney on CBS' The Many Loves of Dobie Gillis, starring Dwayne Hickman.

During the 1970s, Bennett had television roles on Mission: Impossible, Adam-12, CHiPs, Night Gallery, McMillan & Wife, and Phyllis.

In the 1973 film Charley Varrick, starring Walter Matthau, Bennett portrayed Mrs. Taft, an elderly gardener living in a trailer park who is convinced that every man she meets wants to seduce her.

[4] Bennett died in Hollywood, California, on 14 June 1982,[5] and her ashes were interred in the Great Mausoleum's Columbarium of Dawn at Forest Lawn Memorial Park Cemetery in Glendale.