Darsteller und CrewMartin P. RobinsonTelly Monster (voice)Jerry NelsonHerry Monster (voice)Steve WhitmireErnie (voice)Fran BrillZoe (voice) (archive footage)Eric JacobsonBert (voice)Roscoe OrmanGordon RobinsonDavid RudmanMartian / Baby Bear / Humphrey (voice)Joey MazzarinoCousin Bear (voice)Caroll SpinneyOscar the Grouch (voice)Bill BarrettaLouie (voice)