Cast from Earthday Birthday

Christopher Reeve

It Zwibble (voice)

Lainie Kazan

(voice)

Fred Gwynne

Fred the Moose (voice)

Jonathan Goch

(voice)

Jonathan Gold

(voice)

Meghan Andrews

(voice)

Gina Marie Huaman

(voice)

Larry White

(voice)

John Canemaker

(voice)

Gregory Perler

(voice)