G. Brian ReynoldsG. Brian Reynolds was >> in Up on the Housetop as 'Curtis Calhoun / David / Dad / Santa Claus (voice)'.Russ HarrisRuss Harris was >> in Up on the Housetop as 'Gash / Elf (voice)'.Rachel RutledgeRachel Rutledge was >> in Up on the Housetop as 'Mrs. Whimbly (voice)'.Michael N. RuggieroMichael N. Ruggiero was >> in Up on the Housetop as 'Mr. Peterson (voice)'.Natalie Bridegroom HarrisNatalie Bridegroom Harris was >> in Up on the Housetop as 'News Reporter / Cookiewoman (voice)'.G. Brian ReynoldsG. Brian Reynolds was >> in Up on the Housetop as 'Director, Writer, Original Music Composer, Producer, Background Designer, Animation'Russ HarrisRuss Harris was >> in Up on the Housetop as 'Director, Writer, Producer'Michael N. RuggieroMichael N. Ruggiero was >> in Up on the Housetop as 'Producer'Glenn ZimmermanGlenn Zimmerman was >> in Up on the Housetop as 'Animation'Rachel RutledgeRachel Rutledge was >> in Up on the Housetop as 'Production Coordinator'Steve McQuearySteve McQueary was >> in Up on the Housetop as 'Sound Re-Recording Mixer'