00:00Walter Koenig, Star Trek's original Chekhov, has died at 90.
00:04ABC News reports he died Sunday, and his former co-star George Takei mourned him in a Facebook post on
00:10Monday.
00:12Koenig was born in 1936 and worked steadily in television before Star Trek, with parts on shows like The Alfred
00:19Hitchcock Hour and I Spy.
00:20He joined the original series in its second season in 1967 as Ensign Pavel Chekhov, the young Russian navigator, and
00:29appeared in 36 episodes.
00:31The character became a key part of the Enterprise bridge crew.
00:35He played Chekhov again in the Star Trek movies, including The Wrath of Khan in 1982.
00:41Sci-fi fans also know him as the sci-cop Alfred Bester on Babylon 5, a role he played 12
00:48times.
00:48He also wrote books about his time on Star Trek, along with his own science fiction.
00:54Which Koenig role is the one you'll always remember him for, Chekhov or Bester?