Richard Dean Anderson Col. Jack O'Neill Actor, Executive Producer Amanda Tapping Maj. Samantha "Sam" Carter Actor Christopher Judge Teal'c Actor Don S. Davis Maj. Gen. George Hammond Actor Teryl Rothery Dr. Janet Frasier Actor Peter Williams Actor Vaitiare Bandera Actor Alexis Cruz Actor Corin Nemec Jonas Quinn Guest Star Robert C. Cooper Executive Producer Michael Greenburg Executive Producer Joseph Mallozzi Writer Paul Mullie Writer Peter DeLuise Director