Walter Koenig

Known for

Futurama

Babylon 5

Diagnosis: Murder

Star Trek: Deep Space Nine

Columbo

Star Trek

Biography

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.