Walter Marvin Koenig is an American actor, writer, teacher and director, known for his roles as Pavel Chekov in Star Trek and Alfred Bester in Babylon 5. He wrote the script for the 2008 science fiction legal thriller InAlienable.
The starship Enterprise and its crew is pulled back into action when old nemesis, Khan, steals a top secret device called Project Genesis.
When an unidentified alien destroys three powerful Klingon cruisers, Captain James T. Kirk returns to the newly transformed U.S.S. Enterprise to take command.
A surprise visit from Spock's father provides a startling revelation: McCoy is harboring Spock's living essence.
