Apatow (who dressed up as Harpo Marx for Halloween in 1975) was one of the youngest kids in his grade. "When you're little, that year is impactful," he says. "You are smaller, you are behind in every possible way." Courtesy of Random House hide caption

In Ballers, Dwayne Johnson (left) plays an ex-Dolphin who is trying to make the transition from pro football player to financial planner for wealthy athletes. His boss is played by Rob Corddry, from The Daily Show. Jeff Daly/HBO hide caption