Caroll Spinney

as Big Bird (voice)

Jim Henson

as Ernie / The King (Bedtime Stories & Songs) (voice)

Frank Oz

as Bert / Grover (Bedtime Stories and Songs) / Cookie Monster (Bedtime Stories and Songs) / Tallest and Smallest People (Bedtime Stories & Songs) (voice)

Jerry Nelson

as Count von Count / Smartest and Fastest People (Bedtime Stories and Songs) / Moonshine Singer (Sleepytime Songs & Stories) (voice)

Martin P. Robinson

as Telly Monster / Snuffy / Buster the Horse (voice)

Sonia Manzano

as Maria Rodriguez

Roscoe Orman

as Gordon Robinson

Loretta Long

as Susan Robinson

Ossie Davis

as Anansi the Spider (Sleepytime Songs and Stories) (voice)