Comedian was sentenced to three to 10 years in state prison Tuesday in Pennsylvania.
Comedian faces up to 30 years in state prison for sexual assault.
“I am sorry for all of it,” a portion of the letter reads.
Prosecutors also declined to file charges in separate cases involving Kevin Spacey and Steven Seagal.
Asia Argento is accused of assaulting a teenage actor, according to The New York Times.
“Black-ish” actor has “unequivocally” disputed the allegation.
“Why didn’t you say something? I did,” actor tells those who have questioned him.