Jason Marsden

Duke (voice)

Matthew Yang King

Tunnel Rat (voice)

Kevin Michael Richardson

Roadblock (voice)

Natalia Cigliuti

Scarlett (voice)

David Kaye

Main Title Narrator/Professor Patrick O'Hara

Keone Young

Hard Master/Arata (voice)

Scott Menville

Vincent Hauser (voice)

Danny Cooksey

Young Snake Eyes (voice)

Michael Bell

Max Hauser/Guard/Delivery Man (voice)

Peter MacNicol

Firefly (voice)

Khary Payton

Ripcord (voice)

Kim Mai Guest

Jinx (voice)

Lee Majors

General Abernathy (voice)

Jim Meskimen

Norton/News Reporter/S.W.A.T. M.P. (voice)

Tatyana Yassukovich

Baroness (voice)

André Sogliuzzo

Sebastian Bludd/Major Bludd/Store Manager (voice)

Johnny Messner

Flint (voice)

Eddie Mata

Ralph Pulaski/Steeler (voice)

Clancy Brown

James McCullen/Destro/Whistleblower (voice)

Phil LaMarr

Dr. Carl Greer/Doc/Preacher/Scrap-Iron (voice)

Jennifer Hale

Wendy (voice)

James Arnold Taylor

Sherriff / Matty Russell Clemens (voice)

Greg Ellis

Alvin Kibbey/Breaker/Cobra Ops Supervisor (voice)

B.J. Ward

Connie Hauser (voice)

Jerry O'Connell

Gabriel Kelly/Barbecue (voice)

Fred Willard

Mayor Lockridge (voice)

Brian Bloom

Zartan (voice)

Charlie Adler

Adam DeCobray/Cobra Commander (voice)

Corey Burton

Christopher Lavigne/Law/Granger/Crippled Con (voice)

Keith Szarabajka

Warden/Con #1/P.A. Voice (voice)

Nika Futterman

Intercom Voice (voice)

Travis Willingham

Sully/Gate Guard/Cop #1 (voice)

Charlie Schlatter

Dr. Mindbender (voice)

Andrew Kishino

Storm Shadow/Frostbite (voice)

Greg Ellis

Breaker/ Dr. Sharma (voice)

Stephen Stanton

Tomax/Xamot (voice)

Danica McKellar

Sister Leia/Woman

Nolan North

Harlan Moore/Snow Job (voice)

Carlos Alazraqui

Hector Delgado/Shipwreck/Guard #2/Captain (voice)

Liam O'Brien

Captain Anatoly Krimov/Red Star/German CEO (voice)

Troy Baker

Dr. Kurt Schnurr/Airtight (voice)

Michael Emerson

Dr. Archibald Monev/Dr. Venom (voice)

Alejandra Reynoso

Elena Schnurr (voice)

Sterling Ardrey

Reggie (voice)

Daniel Dae Kim

Teddy Lee (voice)

Jessie T. Usher

Rau (voice)

Ja'net DuBois

Grandma Hinton (voice)

Keith Ferguson

Heavy Duty/Hershel Dalton (voice)