Here are some of the actors you didn’t know who passed away.

1. Ruthie Cohen

2. Jerry Stiller (Frank Costanza)

3. Barney Mortin (Morty Seinfeld)

4. Len Lesser (Uncle Leo)

5. Richard Helm (Mr. Wilhem)

6. Ian Abercrombie (Mr. Pitt)

7. Warren Frost (Henry Ross)

8. Daniel Von Bargen (Mr Kruger)

9. Reni Santoni (Poppie)

10. Sam Lloyd (Ricky)