Danica McKellar is an American actress, mathematics writer, and education advocate. She is best known for her role as Winnie Cooper on the television series The Wonder Years from 1988 to 1993. McKellar has also appeared in films such as The Big Green (1995) and Riding in Cars with Boys (2001).
Related: Danica McKellar Parents: Get To Know Mahaila McKellar, Christopher McKellar
Danica McKellar’s Siblings
Danica McKellar has three siblings:
- Crystal McKellar is an attorney and former child actress. She appeared in the television series The Wonder Years as Becky Slater, Danica’s character Winnie Cooper’s best friend.
- Connor McKellar is a businessman.
- Chris McKellar Jr. is a real estate developer.

Danica McKellar’s Relationship with Her Siblings
Danica McKellar has a close relationship with her siblings. She has said that they are her best friends and that she can always count on them for support. McKellar has also said that her siblings have been a great source of inspiration for her, both in her career and in her personal life.