William Lucas Walker is an American television writer and producer. He served as a staff writer from Season 6 to Season 8. He also served as story editor from the Season 6 episode "Thanksgiving '93" to the Season 6 finale and was subsequently promoted to executive story editor for the entirety of Season 7. For all of Season 8, he served as a co-producer, he departed the series thereafter.
Overall, he wrote five episodes for the series, writing the following episodes:
- Season 6
- Season 7
- "Skeleton in the Closet"
- "Sherwood Schwartz: A Loving Tribute" (story/teleplay by)
- Season 8