I'm a Big Girl Now is an ABC network sitcom series executively produced by Paul Junger Witt, Tony Thomas & Susan Harris.
The show aired from October 31, 1980 to May 8, 1981, lasting for one season & 19 episodes.
The series centered on divorced mother Diana Cassidy, who moves back home with her recently single father, Benjamin along with her daughter, Becky.
- Diana Canova as Diana Cassidy
- Danny Thomas as Benjamin Douglass
- Rori King as Becky Cassidy
- Sheree North as Edie McKendrick
- Martin Short as Neal Stryker
- Deborah Baltzell as Karen Hawks
- Michael Durrell as Walter Douglass