Petra Markham
- Compleanno:
- 03/17/1947
- Luogo di nascita:
- Cheshire, England, UK:
 | Hoard (2024) Mrs. Brewer |
 | Forever Flowers (2023) |
 | Back to the Garden (2014) Penny |
 | Lady Godiva (2008) |
 | Disgraced Monuments (1994) Voice Over |
 | A Different Hand (1992) |
| | The Fool (1990) |
 | Love's Labour's Lost (1985) Katharine |
 | Young Shoulders (1984) Mrs. Richardson |
 | The Testing of Eric Olthwaite (1977) Enid Bag |
 | A Killer in Every Corner (1974) Helga Muller |
 | The Hireling (1973) Edith |
 | Sunday Bloody Sunday (1971) Bob's Partner's/Designer's Girlfriend (uncredited) |
 | Get Carter (1971) Doreen |
 | The Raging Moon (1971) Mary |
 | Fragment of Fear (1970) Schoolgirl |
 | The Deadly Affair (1967) Play Spectator |
| | Shotgun (1966) Vicky |
 | Doctor Who: The Crusade (1965) Safiya |
 | Dorothy's Day Out Dorothy |
 | Taming The Beast Eddie's nan |