Lena Headey Sarah Connor Actor Thomas Dekker John Connor Actor Summer Glau Cameron Phillips Actor Brian Austin Green Derek Reese Actor Richard T. Jones James Ellison Actor Garret Dillahunt Cromartie Actor Shirley Manson Catherine Weaver Actor Leven Rambin Riley Actor Dean Winters Guest Star Sonya Walger Guest Star Busy Philipps Guest Star Paul Schulze Guest Star Dean Norris Guest Star Tommy Redmond Hicks Guest Star Obren Milanovic Guest Star Zack Ward Guest Star Debra Wilson Guest Star Cory Tucker Guest Star Vinni Ali'i Mesa Guest Star Johnny D'Agostino Guest Star