When Richard Dean Anderson agreed to star in "Stargate SG-1," he was convinced to do so after MGM and Sci-Fi agreed to let him take the character of Jack O'Neill in whatever direction he wanted.

In his GateWorld interview, Alex Zahara acknowledged the uniqueness of his "Stargate SG-1" situation and the fact he'd played nine different characters over the series' run, saying, "Unless you're ...