Jon Paul Steuer (March 27, 1984 - January 1, 2018) was an American actor and musician, best known for being the first actor to play Alexander Rozhenko in Star Trek: The Next Generation and for being the first actor to regularly portray Quentin Kelly on the ABC show Grace Under Fire. He was also well known for playing Johnny "Viper" Vennaro in the 1994 children's comedy film Little Giants. After spending several years as a musician, Steuer entered the food service business and owned his own restaurant in Portland, Oregon.