$3.55 million (U.S. and Canada rentals)<ref>[https://archive.org/stream/variety173-1949-01#page/n45/
Production Companies
20th Century Fox
Tacey and Harry King are a suburban couple with three sons and a serious need of a babysitter. Tacey puts an ad in the paper for a live-in babysitter, and the ad is answered by Lynn Belvedere. But when she arrives, she turns out to be a man. And not just any man, but a most eccentric, outrageously forthright genius with seemingly a million careers and experiences behind him.