Ming Na Edward Gelbinovich as Schneeman Jesse McCartney as Gavin Reilly Amy Sedaris as Diane Gilman Campbell Scott as Arthur Gilman James Urbaniak as Principal Roy Marc John Jefferies as Stone Lucian Maisel as Malloy Jerry Grayson as Errol Yul Vazquez as Charlie Ronald Judah Friedlander as Cafeteria guy Noah Fleiss as Ryan Matthew Shear as Dave Melnick Conor Leslie as Amy Colby Minifie as Melanie Reception Beware the Gonzo received mixed reviews; the film has a 44% rating on Rotten Tomatoes and a 36/100 rating on Metacritic. References External links 2010 films 2010 independent films 2010 romantic comedy-drama films American high school films American independent films American romantic comedy-drama films American satirical films American teen films Films about journalism Films shot in New York City 2010 comedy films 2010 drama films 2010s English-language films 2010s American films