Arnold Schwarzenegger is friends with Avatar franchise director James Cameron, but will not appear in an Avatar sequel unless the role makes sense.

Zoe Saldaña has firmly established herself as one of the premier big-screen talents of her generation. The fan-favorite actress has headlined some of the most famous movie franchises of all time. Of course,

"I went into 'Guardians' with a lot of fear of being typecast," she said of her role in the Marvel film franchise.

Zoe Saldana recently addressed her concerns about being typecast as a sci-fi actor during her illustrious career, acknowledging the pivotal role that director James Cameron played in shaping her path.

Zoe Saldana credits James Cameron for helping her transition from 'Avatar' to 'Star Trek', overcoming typecasting fears, and reflecting on her journey in sci-fi.