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 Stephanie Jacobsen Guest Star Dinah Lenney Guest Star Michael Hyatt Guest Star Barry Livingston Guest Star William Stanford Davis Guest Star Ned Bellamy Guest Star