← Previous Next → 4x20 Chaos Theory 4/5 (1 vote) First Aired: Apr. 26, 2009 on CBS Summary: A random incident throws Jonas and Bob's carefully planned mission into chaos.

Main Characters in this Episode

• Molly Blane
• Colonel To…
• Kim Brown
• Tiffy Gerh…
• Charles Grey

Guest Stars Jonas Blane played by Dennis Haysbert Mack Gerhardt played by Max Martini Bob Brown played by Scott Foley Bridget Sullivan played by Nicole Steinwedell Sam McBride played by Wes Chatham Susan Gillum played by Ann Cusack Leon Drake played by David Rees Snell Elliott Gillum played by John de Lancie Transit Officer played by Dustin Nguyen Chu played by James Saito Derek Chen played by Jack Yang Supervisor played by Raymond Ma Lissy Gerhardt played by Danielle Hanratty Sgt. Kayla Medawar played by Kavita Patil Jim Ballard played by David Agranov British Man played by David Ross Paterson British Wife played by Helen Duffy Gina played by Joleigh Fioravanti Mia played by Elena Franklin Security Guard played by Andy Holt Policeman #1 played by Hanson Tse Brad played by David Gerson (IV) University Student played by Caroline Choi Pakistani Laborer played by Vijay Rathi (II) More