Frank Hardy (voice)
Lilly / Nancy Drew (voice)
Laura Hardy / Ellen (voice) (as Leigh Allyn Baker)
Harold / Fenton / Edward (voice)
Mary / Aunt Trudy (voice)
Thomas / Orin / TV Voice (voice)
Ezra / Sammuel (voice)
Chet / Phil / Eric (voice)
Joe Hardy (voice)
Parrot (voice)
Gus / Dougal / Con (voice)
Lola (voice)