He appeared in the music video and sang in the choir on the song "Voices That Care".
Became a father for the 2nd time at age 29 when his wife Janice Crystal gave birth to their daughter Lindsay Crystal on October 21, 1977.
Was cast as Rob Reiner's best friend in the All in the Family (1971) episode, All in the Family: New Year's Wedding (1976), and became his best friend in real life.
Auditioned for the role of Jack Tripper on Three's Company (1977) - the character of a straight man impersonating a gay man. Ironically, he went on to play the role of Jody Dallas on Soap (1977) - the first openly gay character on prime-time network television.
His famous uncle, record producer Milton Gabler, founded Commodore Records and later Decca Records (which turned down The Beatles), where he produced the Bill Haley hit "(We're Gonna) Rock Around the Clock".