Randy Cunningham Le Ninja

Ben Schwartz

Randy Cunningham / The Ninja (voice)

Andrew Lewis Caldwell

Howard Weinerman (voice)

John DiMaggio

Hannibal McFist (voice)

Kevin Michael Richardson

Willem Viceroy III (voice)

Tim Curry

The Sorcerer (voice)

Ben Cross

The Sorcerer (voice)

Scott Menville

Bucky (voice)

Dave Wittenberg

Bash Johnson (voice)

Jim Rash

Principal Slimovitz (voice)

Cassie Scerbo

Heidi Weinerman (voice)

Grey DeLisle

Flute Girl (voice)

Sarah Hyland

Theresa Fowler (voice)

April Stewart

Marci McFist (voice)

Kari Wahlgren

Morgan (voice)

Megan Mullally

Mrs. Driscoll (voice)

Fred Tatasciore

Sundown (voice)

Laura Marano

Rachel (voice)

John Oliver

Coach Green (voice)

Joel McHale

First Ninja (voice)

Dee Bradley Baker

Julian (voice)

David Koechner

Mac Antfee (voice)

Neil Flynn

Mr. Bannister (voice)

Piper Curda

Debbie Kang (voice)

Andy Dick

Jerry Driscoll (voice)