Happy Days
1974
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- Actress
About
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. Wikipedia
- January 2, 1938 (age 86), New York City, New York (state), United States
- Larry Hallin
- Wendy S. Hallin, Penny Lee Hallin, Judy Hallin
- Anthony W. Marshall
Profiles
