Guest Stars Don S. Davis as Lt. Gen. George Hammond Peter Williams as Apophis David Hewlett as Dr. Rodney McKay Jay Acovone as Charles Kawalsky Alessandro Juliani as Katep Co Starring Benjamin Easterday as Jaffa Christopher Pearce as Senior Airman Jake Bosworth Rob Fournier as Airman Mansfield Sina Najafi as Egyptian Boy Uncredited Hugo Steele as Jaffa Guard Trevor Jones as Airman Donner Gentry Bromfield as SGC Guard Nathan Flaminio as Egyptian rebel