Newman has had guest starring roles in television series such as Arrested Development, NYPD Blue, Ellen, Fired Up, Smart Guy, 3rd Rock from the Sun, Zoey 101, Dream On, Murder, She Wrote, The Commish, Major Dad, Doogie Howser, M.D. and Blossom.
His on-screen guest appearances include TV shows such as Will & Grace, Doogie Howser, M.D., Mad About You, and NewsRadio.
Gatti has also guest starred in the television series Full House, Doogie Howser, M.D., Cheers, ER, Cosby, NCIS, CSI: Crime Scene Investigation, Star Trek: The Next Generation and Star Trek: Voyager.
After Doogie Howser, M.D. ended in 1993, Layng would guest star in the television series Joe's Life and Diagnosis Murder.
His film and television credits include the teen comedy Don't Tell Mom the Babysitter's Dead, Melrose Place, The Magnificent Seven, Doogie Howser, M.D., The Secret World of Alex Mack and MTV's Undressed.
In the 1980s, Winckler appeared as an actor in TV series such as Remington Steele, Knight Rider, Murder She Wrote, Doogie Howser, Designing Women, The Fall Guy and Short Ribbs starring Billy Barty.