Eric Lange is an American television and movie actor, best known for his roles as Mr. Sikowitz, an acting teacher from the television show Victorious, as Stuart Radzinsky on the ABC television series Lost, and as Kenneth Hasting on FX's The Bridge. He has also made an appearance on the crossover spin-off comedy Sam and Cat.

He played the role of Coach Stupak, Luke and Manny's basketball coach who is seen to be mean and verbally abusive, in "Benched".