Alex Greenwald

as Rex (voice)

Chris M. Allport

as Edsel the Dinosaur (voice)

Eileen Brennan

as Rose (voice)

Christine Cavanaugh

as Knock / Ping (voice)

Josh Keaton

as Tucker (voice)

Raymond McLeod

as Sanitation Engineer Dinosaur / Department Store PA (voice)

Elisabeth Moss

as Turbo (voice)

Megan Pryor

as Ethel (voice)

Susan Blu

as Ping (voice)