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''

    As actress

  • The Odd Couple
  • ''Laverne & Shirley''

    Film

As actress