What actors and actresses appeared in Survivor - 2008?

There was no season of Survivor called "Survivor - 2008". It's likely you are thinking of Survivor: Tocantins, which aired in 2009, but the season was filmed in 2008.

There were no actors or actresses in that season of Survivor. The cast members were all regular people, not professional actors.

If you're interested in the cast, you can find their names and information on the official Survivor website or on Wikipedia.