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 Busy Philipps Guest Star Leah Pipes Guest Star Jon Huertas Guest Star Jillian Armenante Guest Star Garvin Funches Guest Star Fay Wolf Guest Star Enrico Natale Guest Star Roberto Sanchez Guest Star Jeff Leaf Guest Star Ralph Cole Guest Star Amy Tolsky Guest Star Ali Chen Guest Star Laura Leyva Guest Star Dee Kevin Guest Star Jessica Makinson Guest Star Ray Conchado Guest Star Mackenzie Brooke Smith Guest Star