Walter Marvin Koenig (September 14, 1936 — October 25, 2026) was 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.
Bring Back... Star Trek
For the Love of Spock
Star Trek: The Motion Picture
In Search of Tomorrow
Star Trek II: The Wrath of Khan
Star Trek III: The Search for Spock
Star Trek V: The Final Frontier
Star Trek IV: The Voyage Home
Star Trek: Generations
Star Trek VI: The Undiscovered Country
Moontrap
Trekkies
How William Shatner Changed The World
InAlienable
Star Trek: 30 Years and Beyond
Bone Eater
The Questor Tapes
The Captains
Sworn to Justice
Mad Cowgirl
Star Trek: Picard
Aloha Mars!
Mannix
The Center Seat: 55 Years of Star Trek
Almost Perfect
Star Trek: The Original Series
The Animated Adventures of Gene Roddenberry's Star Trek
Star Trek: DS9
Son of the Beach
Columbo
Prisoners of Gravity
Gidget
Land of the Lost
The Real Ghost Busters
Surprise, Surprise
The Untouchables
Diagnosis: Murder
B5
The Starlost
Ironside
