Child stars

Questions:

1) More than two decades before he assumed the role of cuckolded husband Cole Lockhart on Showtime’s “The Affair,” Joshua Jackson played peewee hockey player Charlie Conway in what 1992 movie comedy?

2) Many years before he became an Academy Award-winning director, little Ronny Howard (“The Andy Griffith Show”) lisped his way through the role of Winthrop Paroo in the 1962 movie adaptation of what hit Broadway musical?

3) Child star Billy Mumy (“Lost in Space”) played a little boy with uncanny mental powers who held his terrified family in thrall to his whims in a 1961 episode of what spooky anthology series?

4) What was the name of the “Full House” character shared by twin actresses Mary-Kate and Ashley Olsen?

5) Which of “The Little Rascals” did child actor Carl Switzer play? 6) Which cast member of “The Dick Van Dyke Show” had been a singing child star on radio and in vaudeville back in the 1920s and ‘30s?