[2] The San Diego Stock Company gave Cummings her initial acting opportunity in a "walk-on part" playing a prostitute in a 1926 production of Seventh Heaven.

Between 1931 and 1934, Cummings appeared in more than 20 films, including Movie Crazy opposite Harold Lloyd, and American Madness, directed by Frank Capra.

Levy wrote and directed films for Cummings, such as The Jealous God (1939); he also served in the UK Parliament from 1945 to 1950 as the Labour MP for Eton and Slough.

[citation needed] She played Mary Tyrone in the Royal National Theatre's production of Eugene O'Neill's Long Day's Journey into Night opposite Laurence Olivier and later recreated the role for television.

[12] Constance Cummings Levy died in Wardington, Oxfordshire, England on November 23, 2005, aged 95,[7] from natural causes.