Special Guest Stars
Lily Tomlin
voices Professor Fizzle
Nathan Fillion
voices Axle ValveStuck
Martin Short
voices Tony Tennelli
Catherine O'Hara
voices Aunt Tennelli
Jay Baruchel
voices Dr. TillageGuest Stars
Birva Pandya
voices Jyoti
Miles Koseleci-Vieira
voices Arnold
Lynsey Pham
voices Wanda
Gabby Clarke
voices Dorothy Ann
Kaden Stephen
voices Tim
Mikaela Blake
voices Keesha
Matthew Mintz
voices RalphieCo Starring
Ana Sani
voices Additional Voices
Annelise Forbes
voices Additional Voices
Lilly Bartlam
voices Additional Voices
Stuart Stone
voices Additional Voices
Marcus Craig
voices Additional Voices
Martin Roach
voices Additional Voices
