Randy Cunningham / The Ninja (voice)

Ben Schwartz

Howard Weinerman

Andrew Caldwell

Willem Viceroy III (voice)

Kevin Michael Richardson

Hannibal McFist (voice)

John DiMaggio

Bash Johnson (voice)

Dave Wittenberg

Principal Slimovitz (voice)

Jim Rash

The Sorcerer (voice)

Tim Curry

The Sorcerer (voice)

Ben Cross

Bucky (voice)

Scott Menville

Mrs. Driscoll (voice)

Megan Mullally

Coach Green (voice)

John Oliver

Heidi Weinerman (voice)

Cassie Scerbo

Flute Girl (voice)

Grey DeLisle

Theresa Fowler (voice)

Sarah Hyland

Marci McFist (voice)

April Stewart

Morgan (voice)

Kari Wahlgren

Sundown (voice)

Fred Tatasciore

Rachel (voice)

Laura Marano

First Ninja (voice)

Joel McHale

Julian (voice)

Dee Bradley Baker