Filmography
| Film | |||
|---|---|---|---|
| Year | Film | Role | Notes |
| 1938 | Child Bride | Jennie Colton | Alternative titles: Child Bride of the Ozarks Child Brides Dust to Dust |
| 1939 | The Under-Pup | Cecilia Layton | |
| 1940 | The Grapes of Wrath | Ruth Joad | |
| Virginia City | Crying young Southern girl | Uncredited | |
| Young People | Mary Ann | ||
| Five Little Peppers in Trouble | June | ||
| Diamond Frontier | Girl in Bonnet playing in Street | Uncredited | |
| 1942 | Miss Annie Rooney | Audrey Hollis | |
| 1943 | Shadow of a Doubt | Young girl | Alternative title: Shadow of Doubt |
| Reveille with Beverly | Laura Jean Oliver | Uncredited | |
| Henry Aldrich Gets Glamour | Hortense | Uncredited Alternative title: Henry Gets Glamour |
|
| Mister Big | Member, Jivin' Jills | Uncredited | |
| Top Man | Dancer | Uncredited Alternative title: Man of the Family |
|
| Always a Bridesmaid | Uncredited | ||
| True to Life | Radio Sister | Uncredited | |
| 1944 | Chip Off the Old Block | Member, Jivin' Jills | Uncredited |
| None Shall Escape | Anna Oremska | ||
| Nice Girls | "Tennessee" Collingwood | ||
| 1945 | Patrick the Great | Member, Jivin' Jills | Uncredited |
| Snafu | Student | Uncredited Alternative title: Welcome Home |
|
| 1946 | Blondie's Lucky Day | Grace Perkins | Scenes deleted |
| Betty Co-ed | Gloria Campbell | Alternative title: The Melting Pot | |
| That Brennan Girl | Olivette the Babysitter | Uncredited Alternative title: Tough Girl |
|
| 1949 | An Old-Fashioned Girl | Belle | |
| 1950 | It's a Small World | Susan Musk at Age 16 | Credited as Shirley O. Mills |
| What Happened to Jo Jo | Credited as Shirley O. Mills | ||
| 1951 | The Family Secret | File Girl | Uncredited |
| The Model and the Marriage Broker | Ina Kuschner | Uncredited | |
| 1952 | My Six Convicts | Blonde Tilly | Uncredited Alternative title: My 6 Convicts |
| Television | |||
| Year | Title | Role | Notes |
| 1954 | My Little Margie | Muriel Joyner | 1 episode Credited as Shirley O'Mills |
| 1956 | Ford Star Jubilee | 1 episode | |
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