Richard Dean Anderson Col. Jack O'Neill Actor Michael Shanks Dr. Daniel Jackson Actor 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 Gary Jones Sgt. Walter Harriman Guest Star Jonathan Glassner Writer William Gereghty Director