Rosanne Katon Whitman Mayo

Rosanne Katon (right) played the part of Louise, Grady Wilson's (Whitman Mayo, on left) granddaughter on the NBC-TV series Grady.

Louise Marshall is the granddaughter of Grady Wilson on the NBC Sanford and Son spinoff series Grady. She was played by future fashion model, actress, comedian and activist, Rosanne Katon, who went on to become Playboy magazine's Playmate of the Month for its September 1978 issue.