Dana Carvey, of TV's "Saturday Night Live," follows other "SNL" players to a starring role in the movies with OPPORTUNITY KNOCKS, in which he plays a small-time Chicago con man who gets involved in a very complicated scam. Unfortunately, despite some funny moments, Carvey's big-screen
bid is for the most part dull and predictable. Eddie (Carvey) is a likable (but unlikely) thief who, along with his roommate and partner, Lou (Todd Graff), also bilks people for a living. The pair are first seen together when Lou is "hit" by a car. While Lou complains of alleged injuries and lost
work, Eddie talks the driver into giving Lou some money to avoid a lawsuit. Next, they at...