Full cast of Randy Cunningham: 9th Grade Ninja

Ben Schwartz

Randy Cunningham / The Ninja (voice)

100 episodes

Andrew Lewis Caldwell

Howard Weinerman (voice)

100 episodes

John DiMaggio

Hannibal McFist (voice)

100 episodes

Kevin Michael Richardson

Willem Viceroy III (voice)

100 episodes

Tim Curry

The Sorcerer (voice)

52 episodes

Ben Cross

The Sorcerer (voice)

48 episodes

Scott Menville

Bucky (voice)

25 episodes

Dave Wittenberg

Bash Johnson (voice)

25 episodes

Jim Rash

Principal Slimovitz (voice)

18 episodes

Cassie Scerbo

Heidi Weinerman (voice)

14 episodes

Grey DeLisle

Flute Girl (voice)

13 episodes

Sarah Hyland

Theresa Fowler (voice)

11 episodes

April Stewart

Marci McFist (voice)

11 episodes

Kari Wahlgren

Morgan (voice)

8 episodes

Megan Mullally

Mrs. Driscoll (voice)

5 episodes

Fred Tatasciore

Sundown (voice)

5 episodes

Laura Marano

Rachel (voice)

4 episodes

John Oliver

Coach Green (voice)

4 episodes

Joel McHale

First Ninja (voice)

4 episodes

Dee Bradley Baker

Julian (voice)

4 episodes

David Koechner

Mac Antfee (voice)

3 episodes

Neil Flynn

Mr. Bannister (voice)

2 episodes

Piper Curda

Debbie Kang (voice)

2 episodes

Andy Dick

Jerry Driscoll (voice)

1 episode

Judy Reyes

Señora Jorge (voice)

1 episode

Bobcat Goldthwait

Dickie (voice)

1 episode

Annie Potts

Tawny Zingwald (voice)

1 episode

Jason Earles

Brent (voice)

1 episode

John Witherspoon

S. Ward Smith (voice)

1 episode

Carlos Alazraqui

Franz Nukid (voice)

1 episode

David Alan Grier

Rudd Rhymez (voice)

1 episode

Parvesh Cheena

Pradeep (voice)

1 episode

Steve Zahn

Terry McFist (voice)

1 episode

Simon Pegg

Pitch Kickham (voice)

1 episode

Billy Idol

Spikey Hair Bot (voice)

1 episode

Jennifer Tilly

Amanda Levay / Sorceress (voice)

1 episode