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| Año | Título | Personaje | Valoración |
|---|---|---|---|
| 1984 | Lobo del aire | Mrs. Smith | ★★★★☆ |
| 1984 | Lobo del aire | Sister Monica | ★★★★☆ |
| 1984 | Finder of Lost Loves | Ada | ★★★☆☆ |
| 1983 | El equipo A | Sister Catherine | ★★★★☆ |
| 1982 | Blackjack | Mother | ★★☆☆☆ |
| 1981 | Isabel's Choice | Housekeeper | ☆☆☆☆☆ |
| 1979 | Marciano | Supervisor | ☆☆☆☆☆ |
| 1977 | The Hunted Lady | Nurse | ★★★★☆ |
| 1977 | Teléfono | Mrs. Maloney | ★★★☆☆ |
| 1976 | El último pistolero | School Teacher | ★★★★☆ |
| 1975 | El secreto de Isis | Mrs. Schuster | ★★★☆☆ |
| 1973 | La gran estafa | Jessie | ★★★★☆ |
| 1972 | Women in Chains | Girl | ★★★★☆ |
| 1971 | Harry el sucio | Lady in Jaffe's Cafe (uncredited) | ★★★★☆ |
| 1971 | Colombo | Nurse | ★★★★☆ |
| 1970 | The Mary Tyler Moore Show | Betty Dotson (uncredited) | ★★★★☆ |
| 1968 | Brigada homicida | Woman | ★★★☆☆ |
| 1968 | La jungla humana | Woman (uncredited) | ★★★☆☆ |
| 1968 | Área 12 | Ida Brady | ★★★★☆ |
| 1964 | Código del hampa | Receptionist | ★★★☆☆ |
| 1963 | El fugitivo | Receptionist | ★★★★☆ |
| 1963 | El fugitivo | Telegraph Clerk | ★★★★☆ |
| 1959 | La dimensión desconocida | Nurse (uncredited) | ★★★★☆ |
| 1958 | Behind Closed Doors | Sue-Ellen | ☆☆☆☆☆ |
| 1955 | Escala en Hawai | Nurse | ★★★★☆ |
| 1953 | Salvaje | Woman (uncredited) | ★★★☆☆ |
| 1953 | A-Hunting They Did Go | ☆☆☆☆☆ | |
| 1952 | El francotirador | Woman (uncredited) | ★★★☆☆ |
| 1952 | La impetuosa | Golf Contestant (uncredited) | ★★★☆☆ |
| 1952 | La dama de Trinidad | Stewardess (uncredited) | ★★★☆☆ |
| 1951 | Caravana de mujeres | Pioneer Woman (uncredited) | ★★★★☆ |
| 1950 | Caravana de paz | Prudence Perkins | ★★★☆☆ |
| 1950 | Hugs and Mugs | Ella | ★★★☆☆ |
| 1948 | Crabbin' in the Cabin | ☆☆☆☆☆ | |
| 1947 | La diosa de la danza | Dolly | ★★★☆☆ |
| 1947 | La culpa de Janet Ames | (uncredited) | ★★★☆☆ |
| 1945 | Salomé, la embrujadora | Salome Girl | ★★☆☆☆ |
| 1945 | Sudán: La Reina del Nilo | Handmaiden (uncredited) | ★★★☆☆ |
| 1945 | La dama del tren | ★★★☆☆ | |
| 1943 | Vieja amistad | College Girl (uncredited) | ★★★☆☆ |
| 1926 | My Old Dutch | Herbert Brown, as a baby | ☆☆☆☆☆ |
Películas destacadas de Kathleen O'Malley
Estas son las películas más destacadas en las que ha trabajdo:
