26 Movie Stars You Forgot Were on TV

Before starring in The Hunt For Red October, Glengarry Glen Ross, and Beetlejuice, Alec Baldwin first gained recognition when he appeared on two seasons of the CBS soap opera Knots Landing in the mid '80s. As his film career began to stagnate, Baldwin returned to TV in 2006, starring as NBC executive Jack Donaghy for seven years on 30 Rock.