What casts looked like at the beginning and the end of 20 popular sitcoms

Paramount Television/Courtesy of Getty Images Florence Henderson had 15 years of acting experience before landing the role of her career at age 35: Carol Brady, a widow with three young daughters who falls in love with a widower (Robert Reed) who has three sons of his own. Together, this eight-pack (plus beloved housekeeper Alice) became one of television’s most iconic families, “The Brady Bunch.” For the younger child actors, this was their first big gig; however, the older kids had some prior experience: Maureen McCormick (Marcia) appeared on “Bewitched,” Barry Williams (Greg) on “Mission Impossible” and Eve Plumb (Jan) on “Lassie.” The Brady Bunch: 1974