Frank Welker

Baby Kermit / Baby Skeeter / Baby Beaker (voice)

Laurie O'Brien

Baby Piggy (voice)

Russi Taylor

Baby Gonzo (voice)

Greg Berg

Baby Fozzie / Baby Scooter (voice)

Dave Coulier

Baby Animal / Baby Bunsen (voice)

Katie Leigh

Baby Rowlf (voice)

Barbara Billingsley

Nanny (voice)