Mark Walker is an actor, known for Hemlock Grove (2013), Nuremberg (2000) and The List (2000).
The Mystery Files of Shelby Woo - Season 2
Sesame Street - Season 3
The Last Kiss
Rabid
Bonanno: A Godfather's Story
Sesame Street - Season 5
Murdoch Mysteries - Season 2
Titans - Season 3
Crossfire
PSI Factor: Chronicles of the Paranormal - Season 2
PSI Factor: Chronicles of the Paranormal - Season 1
T and T - Season 2
Sesame Street - Season 49
Sesame Street - Season 4
Titans - Season 1
Murdoch Mysteries - Season 12
Murdoch Mysteries - Season 6
Sesame Street - Season 54
Sesame Street - Season 47
Sesame Street - Season 50
Titans - Season 4
Murdoch Mysteries - Season 13
Murdoch Mysteries - Season 3
The Vindicator
Nuremberg - Season 1