Ronny Hallin
Ronny Hallin is an American television producer and actress. She is best known for her work on the television shows Happy Days, Mork & Mindy, and Step by Step.
Early life
She is the older sister of actress Penny Marshall, and the younger sister of filmmaker Garry Marshall.Filmography
Television
As producer
- Blansky's Beauties
- Happy Days
- Mork & Mindy
- Laverne & Shirley
- Joanie Loves Chachi
- You Again?
- Valerie
- Nothing in Common
- Family Matters
- Perfect Strangers
- Going Places
- ''Step by Step''