Frank Welker
Curious George / Stig / Flint Quint (voice)
Jeff Bennett
The Man with the Yellow Hat / Stew (voice)
Grey DeLisle
Betsy / Photographer (voice)
E. G. Daily
Steve / Andie (voice)
Kath Soucie
Mrs. Renkins / Mint Quint / Mrs. Quint (voice)
Rob Paulsen
Charkie (voice)
Edie McClurg
Lydia / Mum / Lady (voice)
Jim Cummings
Jumpy Squirrel / Mr. Quint (voice)
Annie Mumolo
Bill / Sprint Quint (voice)
