Marlene Sidaway
- Luogo di nascita:
- Thornaby-on-Tees, Stockton-on-Tees, North Yorkshire, England, UK:
 | Pigs (2024) Gran |
 | Allelujah (2023) Lucille |
 | Sink (2018) Jean |
 | Bad Night for the Blues (2010) Grace |
 | Me and Orson Welles (2008) Grandmother Samuels |
 | I Want Candy (2007) Sobbing Woman |
 | Venus (2006) Hospital Nurse |
 | Ready When You Are, Mr McGill (2004) Mrs. Clegg |
 | Blackball (2003) Fifty-Year Old Lady |
| | Sex, Chips & Rock n' Roll (1999) Matron |
 | Tom's Midnight Garden (1999) Doris Schuster |
 | The Dark Room (1999) Mrs Helms |
 | Hunting Venus (1999) Marge Beake |
 | Beautiful Thing (1996) Betty |
| | The Magic Toyshop (1987) Mrs. Rundle |
 | Whistling Wally (1982) Mary |
 | The Kiss of Death (1977) Christine |
 | Beloved (1976) Sarah |