The Vermont man was given a one-year deferred sentence and his driver's license has been revoked for a year.
The CBS cop drama paid tribute to the celebrated actor on Friday, nearly 10 months after his death at age 71.
The actor died at the age of 71, following a motorcycle accident in June.
The pair star as William and Babe Paley in the upcoming anthology series, 'Feud: Capote Vs. The Swans.'
Ryan Koss was charged with grossly negligent operation with death resulting.
Police also announced the actor's cause of death.
The beloved actor tragically died in a motorcycle crash in Vermont. He was 71.
The 'Hair' actor died at the age of 71 earlier this month.
The actor died on June 12. He was 71.
The actor died after being airlifted to a hospital following a motorcycle accident in Vermont on Monday.
Treat Williams died at Albany Medical Center in New York, and a witness shares his recollection of what happened that day.
Williams died Monday following a fatal motorcycle accident. He was 71.
The actor penned a heartfelt tribute to his co-stars after their recent deaths.