Mark Walker is an actor, known for Hemlock Grove (2013), Nuremberg (2000) and The List (2000).
Sesame Street - Season 52
Murdoch Mysteries - Season 6
T and T - Season 3
PSI Factor: Chronicles of the Paranormal - Season 1
T and T - Season 2
Sesame Street - Season 1
Murdoch Mysteries - Season 12
Murdoch Mysteries - Season 4
Bonanno: A Godfather's Story
Murdoch Mysteries - Season 9
The Vindicator
Hemlock Grove - Season 2
Murdoch Mysteries - Season 15
Titans - Season 4
The Hunger - Season 1
T and T - Season 1
Sesame Street - Season 53
Murdoch Mysteries - Season 3
Sesame Street - Season 51
Sesame Street - Season 54
Sesame Street - Season 2
Sesame Street - Season 5
Murdoch Mysteries - Season 5
PSI Factor: Chronicles of the Paranormal - Season 4
Crossfire
Sesame Street - Season 4