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| Año | Título | Personaje | Valoración |
|---|---|---|---|
| 1937 | Man Of The People | Mannish Woman (uncredited) | ★★★★☆ |
| 1935 | Marietta, la traviesa | Undetermined Secondary Role (uncredited) | ★★☆☆☆ |
| 1934 | Student Tour | Dolores | ★★★☆☆ |
| Año | Título | Trabajo | Calificación |
|---|---|---|---|
| 1967 | Accidental Family | Writer | ★★★☆☆ |
| 1958 | Yancy Derringer | Creator | ★★★☆☆ |
| 1956 | Over-Exposed | Story | ★★★☆☆ |
| 1955 | Los caballeros se casan con las morenas | Screenplay | ★★★☆☆ |
| 1954 | El mundo es de las mujeres | Writer | ★★★★☆ |
| 1954 | La línea francesa | Screenplay | ★★☆☆☆ |
| 1953 | Amor a media noche | Writer | ★★☆☆☆ |
| 1951 | Meet Me After the Show | Screenplay | ★★★☆☆ |
| 1950 | Billete a Tomahawk | Screenplay | ★★★☆☆ |
| 1950 | Bill, qué grande eres | Screenplay | ★★★★☆ |
| 1950 | I'll Get By | Screenplay | ★★★☆☆ |
| 1949 | Mother Is a Freshman | Writer | ☆☆☆☆☆ |
| 1949 | Papá fue un defensa | Screenplay | ★★★☆☆ |
| 1949 | Mr. Belvedere, estudiante | Writer | ★★★☆☆ |
| 1948 | The Inside Story | Writer | ★★★☆☆ |
| 1948 | The Dude Goes West | Screenplay | ★★★☆☆ |
| 1947 | Calendar Girl | Screenplay | ★★★☆☆ |
| 1947 | Una balsa a la deriva | Screenplay | ★★★☆☆ |
| 1947 | Hit Parade of 1947 | Writer | ☆☆☆☆☆ |
| 1946 | Rendezvous with Annie | Screenplay | ★★★☆☆ |
| 1946 | Rendezvous with Annie | Story | ★★★☆☆ |
| Año | Título | Personaje | Calificación |
|---|---|---|---|
| 1935 | Starlit Days at the Lido | Self | ★★★☆☆ |
Películas destacadas de Mary Loos
Estas son las películas más destacadas en las que ha trabajdo:
