Mary Lou Harrington (born March 11, 1931) was an American child actress.
My Favorite Wife
1940 · Chinch Arden
A Tree Grows in Brooklyn
1945 · Girl (uncredited)
Eagle Squadron
1942 · Child
A-Haunting We Will Go
1942 · Dante's Young Admirer (uncredited)
H.M. Pulham, Esq.
1941 · Gladys Pulham, Age 11 (uncredited)
It Comes Up Love
1943 · Constance Peabody
The Vicious Circle
1948 · Anna Tamashy
The Boy from Stalingrad
1943 · Nadya
