Guest Stars Michael Rivkin voices Mr. Galvin Betsy Sodaro voices Kim Mitch Watson voices Spitsy Chandni Parekh voices Jenny Ryan W. Garcia voices Mr. Rosa Todd Haberkorn voices Artur Charlie Schlatter voices Spencer Chandni Parekh voices Kathleen Betsy Sodaro voices Old Woman Charlie Schlatter voices Man Ben Giroux voices Peter Ben Giroux voices French Narrator Debra Wilson voices Artur's Mom Debra Wilson voices 7th Grade Girl Chandni Parekh voices Boss Lady Chandni Parekh voices Bridesmaid Chandni Parekh voices Clock Girl Todd Haberkorn voices Artur's Dad Todd Haberkorn voices Kid Ryan W. Garcia voices Groom Arnie Pantoja voices Science Nerd Arnie Pantoja voices Guy in the Bathroom Arnie Pantoja voices Rockstar Bryce Charles voices Bride Bryce Charles voices Stylgravian 3 Bryce Charles voices Enthusiastic Kid Todd Haberkorn voices Male Guests Daniel MK Cohen voices Male Guest #2 Daniel MK Cohen voices Singing Kid