Lloyd Schwartz kept a close relationship with the young stars of 'The Brady Bunch.' After filming a particular scene where there was too much chemistry between Maureen McCormick's Marcia and Barry Williams' Greg, the producer pulled the latter aside to set him straight, he shared on an episode of CW's docuseries, 'TV We Love.'
https://people.com/barry-williams-recalls-maureen-mccormick-brady-bunch…