Seinfeld has paid tribute to actor Philip Baker Hall following his death aged 90.
Hall enjoyed a prolific career which spanned over 40 years in both film and theatre, including as library detective on the long-running American comedy.
He died on Sunday in California, according to his family.
“The great Philip Baker Hall will forever be remembered by Seinfeld fans as the hard-nosed library detective, Mr Bookman,” the show’s official account tweeted.
“Hall had a long and impressive career as one of Hollywood’s top character actors.
“His talent will be cherished.”
According to his widow Holly Wolfle Hall, the actor died surrounded by loved ones in Glendale, California.
Hall was born in Toledo, Ohio, in 1931 and leaves behind his wife, four daughters, four grandchildren and his brother.
Hollywood star Mark Ruffalo, who starred alongside him in Zodiac, tweeted: “RIP Philip Baker Hall. One of the greats. It’s been a gift watching you. It was an honour working with you in Zodiac. Kindness, generosity, humility, and great talent”.
Hall also starred in films including Magnolia and Boogie Nights and The Truman Show.
His last appearance is reported as being the 2020 series Messiah.