In his retirement years, Sid Newman became a character actor as The Old Man on Seinfeld, and Sid on The Larry Sanders Show. He began a brief career in Hollywood, appearing in the 1944 Judy Garland musical Meet Me in St. Louis, then spent much of his life operating a medical laboratory with his brother. He then returned in 1993 as Gabe in the 1993 movie The Beverly Hillbillies and as Frank in the 1998 comedy The Wedding Singer.
| Episode |
Two Guys and a Girl Bridesmaid Revisited |
2000 |
| Episode |
3rd Rock from the Sun Power Mad Dick |
1998 |
| Episode |
ER Stuck on You |
1998 |
| Episode |
Seinfeld The Nap |
1997 |
| Episode |
MADtv Episode #105 |
1995 |
| Episode |
The Larry Sanders Show Guest Host |
1992 |