When Greg was first approached to play one of the title characters on My Two Dads, he turned it down right away, because he didn't want to play a TV dad. Later, his agent called him and asked him to just meet with series creator Michael Jacobs. After looking at the script and doing a read-through, Greg finally accepted the part.
Greg married Pam Serpe on June 3rd, 1979. The two have two daughters (Vanessa and Briana) and one son (Jason).
Greg's first job on Broadway was at the age of 17 when he sang in the original production of Jesus Christ Superstar. His second role was the lead (Danny Zuko) in the original stage production of Grease.
Greg wrote and sang the theme song for BJ and the Bear.
Greg also wrote and performed the theme song for My Two Dads.
Greg recorded eight original songs for his CD at Abbey Roads Studios in London with the Royal Philharmonic Orchestra.
Greg's time of birth was 10:30PM, and his birthweight was 9 lbs. 3 oz.
Greg: (about Sam the chimp, who he starred with in "B.J. and the Bear") Generally, Sam's a very mellow fellow. If he weren't, this series could have been a nightmare.