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Appearances
Threshold
Guest cast, played by Scott MacDonald
- Episode 1x01: Trees Made of Glass, Part 1 (Sep 16, 2005)
- Episode 1x02: Trees Made of Glass , Part 2 (Sep 16, 2005)
- Episode 1x10: The Crossing ()
- Episode 1x11: Outbreak ()
- Episode 1x12: Vigilante ()