John Tartaglia Gobo Voice, Executive Producer Karen Prell Red Voice, Co-Executive Producer Donna Kimball Mokey Voice Jordan Lockhart Wembley Voice Dave Goelz Boober Voice, Co-Executive Producer Frank Meschkuleit Boober Voice Lilli Cooper Doc Actor Lisa Henson Executive Producer Halle Stanford Executive Producer Matt Fusfeld Executive Producer Alex Cuthbertson Executive Producer Yariv Milchan Executive Producer Arnon Milchan Executive Producer Michael Schaefer Executive Producer Ritamarie Peruggi Producer Harvey Mason Jr. Music Producer