| Año | Título | Personaje | Valoración |
|---|---|---|---|
| 1970 | Chisum | Young Girl (uncredited) | ★★★☆☆ |
| Año | Título | Trabajo | Calificación |
|---|---|---|---|
| 2024 | Deadpool y Lobezno | Executive Producer | ★★★★☆ |
| 2024 | Deadpool y Lobezno | Unit Production Manager | ★★★★☆ |
| 2023 | La luz que no puedes ver | Producer | ★★★★☆ |
| 2022 | El Proyecto Adam | Executive Producer | ★★★★☆ |
| 2021 | Free Guy | Executive Producer | ★★★★☆ |
| 2018 | Malos tiempos en El Royale | Executive Producer | ★★★☆☆ |
| 2018 | Gorrión rojo | Executive Producer | ★★★☆☆ |
| 2015 | Joy: El nombre del éxito | Executive Producer | ★★★☆☆ |
| 2014 | Noche en el museo 3 | Executive Producer | ★★★☆☆ |
| 2014 | Noche en el museo 3 | Unit Production Manager | ★★★☆☆ |
| 2014 | Ahí os quedáis | Unit Production Manager | ★★★☆☆ |
| 2014 | Ahí os quedáis | Executive Producer | ★★★☆☆ |
| 2013 | Los becarios | Executive Producer | ★★★☆☆ |
| 2013 | Los becarios | Unit Production Manager | ★★★☆☆ |
| 2012 | Un desmadre de viaje | Executive Producer | ★★★☆☆ |
| 2011 | Acero Puro | Executive Producer | ★★★★☆ |
| 2009 | Loca obsesión | Producer | ★★☆☆☆ |
| 2009 | La proposición | Unit Production Manager | ★★★★☆ |
| 2009 | La proposición | Executive Producer | ★★★★☆ |
| 2009 | Loca obsesión | Unit Production Manager | ★★☆☆☆ |
| 2006 | La casa del lago | Executive Producer | ★★★★☆ |
| 2005 | Miss Agente Especial 2: Armada y fabulosa | Producer | ★★★☆☆ |
| 2005 | Miss Agente Especial 2: Armada y fabulosa | Unit Production Manager | ★★★☆☆ |
| 2004 | Envidia | Executive Producer | ★★☆☆☆ |
| 2004 | Cuestión de pelotas | Executive Producer | ★★★☆☆ |
| 2004 | Cuestión de pelotas | Unit Production Manager | ★★★☆☆ |
| 2004 | Cuestión de pelotas | Unit Publicist | ★★★☆☆ |
| 2002 | Clan ya-ya | Executive Producer | ★★★☆☆ |
| 2002 | Clan ya-ya | Unit Production Manager | ★★★☆☆ |
| 2002 | Amor con preaviso | Executive Producer | ★★★☆☆ |
| 2000 | Cadena de favores | Unit Production Manager | ★★★★☆ |
| 2000 | Cadena de favores | Executive Producer | ★★★★☆ |
| 1998 | Siempre queda el amor | Executive Producer | ★★★☆☆ |
| 1998 | Siempre queda el amor | Unit Production Manager | ★★★☆☆ |
| 1998 | Prácticamente magia | Executive Producer | ★★★☆☆ |
| 1998 | Prácticamente magia | Unit Production Manager | ★★★☆☆ |
| 1996 | El sargento Bilko | Co-Producer | ★★★☆☆ |
| 1995 | Mujeres bajo la luna | Co-Producer | ★★★☆☆ |
| 1994 | El cliente | Unit Production Manager | ★★★☆☆ |
| 1994 | El cliente | Co-Producer | ★★★☆☆ |
| 1993 | El último amanecer | Producer | ★★★☆☆ |
| 1993 | Sommersby | Unit Production Manager | ★★★☆☆ |
| 1992 | That Night | Unit Production Manager | ★★★☆☆ |
| 1992 | Mi primo Vinny | Unit Production Manager | ★★★★☆ |
| 1991 | Esfúmate Fred | Unit Production Manager | ★★★☆☆ |
| 1991 | Zandalee (En el límite del deseo) | Unit Production Manager | ★★☆☆☆ |
| 1989 | Cold Feet | Co-Producer | ★★☆☆☆ |
| 1988 | La Fuerza del Destino | Unit Manager | ★★☆☆☆ |
| 1988 | El regreso de Jack el destripador | Production Manager | ★★★☆☆ |
| 1987 | Inside Out | Production Executive | ★★★☆☆ |
| 1986 | Nómadas | Production Coordinator | ★★☆☆☆ |
| 1986 | Regreso a la escuela | Production Coordinator | ★★★☆☆ |
Películas destacadas de Mary McLaglen
Estas son las películas más destacadas en las que ha trabajdo:
Series
Las series más importantes en las que ha participado son las siguientes:
