She is known for her role as Kate MacDonald on the television sitcom Growing Pains ( 1989 -- 1992 ) .
Chelsea Noble ( born Nancy Mueller , December 4 , 1964 ) is an American actress .
Chelsea Noble is known for Chelsea Noble 's role as Kate MacDonald on the television sitcom Growing Pains ( 1989 -- 1992 ) .
Chelsea Noble ( born Nancy Mueller , December 4 , 1964 ) is an American actress .