Collishaw is a fictional character portrayed by Garvin Cross in the TV series Battlestar Galactica.
They appear in 1 episodes out of a total of 74 aired
Episodes1
Valley of Darkness
episode S2.E2 july 2005A Cylon virus is interfering with Galactica's power supply, while Cylon centurions are heading for crucial systems. Somehow they must be stopped.