who composed the music for this motion picture?
Henry Jackman
Wreck-It Ralph
The film's score was composed by Henry Jackman. 
who does the voice of wreck it ralph John C. Reilly, Sarah Silverman, Jack McBrayer and Jane Lynch is this a film? Yes, it is an American 3D computer-animated comedy film who directed it? Rich Moore what is the name of the production company that produced this motion picture? Walt Disney Animation Studios name some of the characters in this motion picture. "Fix-It Felix Jr.",  Don, Deanna,  Roy, Mayor Gene are some of them who voices the first character mentioned above? UNANSWERABLE
wiki:24052472
Wreck-It Ralph [SEP] Soundtrack
The film's score was composed by Henry Jackman. The soundtrack also features original songs by Owl City, AKB48, Skrillex with the remix Noisia, and Buckner & Garcia. Early in the development process, Robert Lopez and Kristen Anderson-Lopez wrote an original song for the film; it was later cut out.