What Ever Happened to the Cast of ALF?

Tommy Solomon had the ultimate identity crisis: an ancient alien intelligence trapped in the body of a teenage boy. Joseph Gordon-Levitt nailed the paradox—wise beyond his years but constantly undone by hormones and high school. His sarcasm, timing, and depth made Tommy the show’s secret weapon.

Before 3rd Rock, Gordon-Levitt was already a child actor, with credits in Angels in the Outfield and A River Runs Through It. But 3rd Rock gave him room to flex real comedic chops. Even as a kid surrounded by acting heavyweights, he held his own—and often stole scenes outright.