SG-1 - Definition and Overview

The following article refers to the sci-fi television series Stargate SG-1.

SG-1 is an SG Team primarily focusing on exploration. They are the primary four characters in the show.

For Season 6, Daniel Jackson was replaced with Jonas Quinn.

• Richard Dean Anderson as Brigadier General (formerly Colonel) Jack O'Neill
• Michael Shanks as Dr. Daniel Jackson
• Amanda Tapping as Lt. Colonel (formerly Captain and then Major) Samantha Carter
• Christopher Judge as Teal'c
• Corin Nemec as Jonas Quinn