What actor was teacher in a Nickelodeon sitcom about two girls who become roommates and start a babysitting service?
Eric Lange: Eric Lange (born February 19, 1973) is an American television and movie actor, best known for his roles as Erwin Sikowitz, an acting teacher from the television show "Victorious", as Stuart Radzinsky on the ABC television series "Lost", as CIA Station Chief Bill Stechner on "Narcos", and as David Tate/Kenneth Hasting on FX's "The Bridge". Eric Lange:  He has also made an appearance reprising his role as Sikowitz on the crossover spin-off comedy "Sam & Cat". Sam &amp; Cat:  The girls meet by chance during a bizarre adventure and become roommates, then start a babysitting business to earn extra money.
Eric Lange