Jim Henson - Ernie / The King (Bedtime Stories & Songs) (voice)
Frank Oz - Bert / Grover (Bedtime Stories and Songs) / Cookie Monster (Bedtime Stories and Songs) / Tallest and Smallest People (Bedtime Stories & Songs) (voice)
Jerry Nelson - Count von Count / Smartest and Fastest People (Bedtime Stories and Songs) / Moonshine Singer (Sleepytime Songs & Stories) (voice)
Martin P. Robinson - Telly Monster / Snuffy / Buster the Horse (voice)
Sonia Manzano - Maria Rodriguez
Roscoe Orman - Gordon Robinson
Loretta Long - Susan Robinson
Ossie Davis - Anansi the Spider (Sleepytime Songs and Stories) (voice)