Walter Koenig is best known as Ensign Pavel Chekov in Star Trek's Original Series (Star Trek (1966)). He went on to reprise that role in all 7 of the original Star Trek movies, as well as voicing the same character in several of the video games. He has continued to reprise that character in several different Star Trek video's, and TV series, rising in rank to Lieutenant, Commander, Captain and Admiral through the years.