01:50HeroesSeries 3Episode 20: Cold SnapBBC Two Duration: 50 minutes Audio described Mon 13th Apr 2009, 01:50 on BBC Two WalesAvailable for yearsWatch nowHiro and Ando continue their sworn mission to protect baby Matt Parkman.ContributorsNoah Bennet:Jack ColemanMicah Sanders:Noah Gray-CabeyMatt Parkman:Greg GrunbergNiki Sanders:Ali LarterAndo Masahashi:James Kyson LeeHiro Nakamura:Masi OkaClaire Bennet:Hayden PanettiereNathan Petrelli:Adrian PasdarMohinder Suresh:Sendhil RamamurthyPeter Petrelli:Milo VentimigliaSylar:Zachary QuintoTracy Strauss:Ali LarterProducer:Tim KringDirector:Greg YaitanesGenresDramaSciFi & FantasyBrandHeroesSeriesHeroes: Series 3 Source: BBC Online