← Previous Next → 4x11 Ghost in the Machine First Aired: Aug. 26, 2007 on USA Summary: Tom and Diana are in a race against time to find the source of a computer virus that is threatening Ubient software, one of the largest software companies in the world. Meanwhile, Maia heads to Promise City where she is visited by her birth parents.

Main Characters in this Episode

• Tom Baldwin
• Diana Skou…
• Kyle Baldwin
• Isabelle T…
• Marco Pace…

Guest Stars Shawn Farrell played by Patrick John Flueger Maia Skouris played by Conchita Campbell Meghan Doyle played by Jenni Baird Jordan Collier played by Billy Campbell (VII) Kevin Burkhoff played by Jeffrey Combs Drew Imroth played by Tim DeKay Cassie Dunleavy played by Tristin Leffler Abigail Hunnicutt played by Pascale Hutton Brady Wingate played by Graeme Duffy Joanna played by Jennifer Spence Lindsey Hammond played by Alexia Fast Eileen Trask played by Jennifer Clement Warren Trask played by Jason Logan Victor Rutledge played by Roger Haskett Mary Rutledge played by Carrie Fleming Duane played by Brad Kelly 2nd Guard played by Rodney Reid Burly Man played by Chris Burns (VII) Businessman played by Dave Hespes Tess Doerner voiced by Summer Glau More