She made her first stage appearance in Babes in the Wood at Lincoln in 1891, touring the provinces for many years in various different productions.

Her later theatre work included the original production of Love on the Dole in 1935, as well as the 1941 film version.

[citation needed] Ault was a star in many British films of the silent era but is most remembered for her role as Daisy Bunting's mother in The Lodger: A Story of the London Fog (1927) directed by Alfred Hitchcock.

[4] Ault played characters of various nationalities, including Scottish, Irish, Italian, French, and English.

[5] In an interview with Pictures and the Picturegoer, Ault said her favorite role was the Amah from the play East of Suez.