The Unit season 2

The second season of The Unit originally aired between September 19, 2006 and May 8, 2007; it introduces several new characters to the series. Tiffy has trouble with the law when she covers for Colonel Ryan's wife, Charlotte, and The Unit is investigated by the CIA over infractions that could result in criminal charges.

Main cast

 * Dennis Haysbert as Sergeant Major Jonas Blane, aka Snake Doctor
 * Scott Foley as Staff Sergeant Bob Brown, aka Cool Breeze
 * Max Martini as Master Sergeant Mack Gerhardt, aka Dirt Diver
 * Michael Irby as Sergeant First Class Charles Grey, aka Betty Blue
 * Robert Patrick as Colonel Thomas Ryan, aka Dog Patch
 * Demore Barnes as Sergeant First Class Hector Williams, aka Hammerhead

Supporting cast

 * Regina Taylor as Molly Blane
 * Audrey Marie Anderson as Kim Brown
 * Abby Brammell as Tiffy Gerhardt
 * Rebecca Pidgeon as Charlotte Ryan
 * Kavita Patil as Sergeant Kayla Medawar

Recurring cast

 * Susan Matus as Sergeant Sarah Irvine
 * Angel Wainwright as Betsy Blane
 * Summer Glau as Crystal Burns
 * Daniel Wisler as Jeremy Erhart
 * Alyssa Shafer as Serena Brown
 * Jon Hamm as Wilson James
 * Lindsay Frost as US Senator Elizabeth Webb
 * Ricky Jay as CIA Agent Kern
 * Conor O'Farrell as General Heath