About
Played the role of the lovable nerd Arnold Horshack on TV's Welcome Back, Kotter and also voiced many memorable animated characters.
Before Fame
He started a successful summer theater in his hometown in Connecticut.
Trivia
He was an illustrator for children's books.
Family Life
He began a relationship with Joseph Gramm in 1971.
Associated With
He co-starred in Welcome Back, Kotter with John Travolta.
