Josh Keaton

Hal Jordan (voice)

Kevin Michael Richardson

Kilowog (voice)

Jason Spisak

Razer (voice)

Grey DeLisle

Aya (voice)

Jonathan Adams

Atrocitus (voice)

Tom Kenny

The Anti-Monitor / Chaselon (voice)

Kurtwood Smith

Shyir Rev (voice)

Robert Englund

Myglom (voice)

Wayne Knight

Captain Goray (voice)

Corey Burton

Cleric Loran (voice)

Jennifer Hale

Carol Ferris / Star Sapphire / Princess Gi'ata (voice)

John DiMaggio

Kothak (voice)

Rob Paulsen

Goggan (voice)

Will Friedle

Prince Ragnar (voice)

Tara Strong

Iolande (voice)

Vanessa Marshall

Galia (voice)

Clancy Brown

Zartok (voice)

Juliet Landau

Drusa (voice)

Robin Atkin Downes

Gil Broome / Steam Lantern (voice)

Ian Abercrombie

Ganthet (voice)

Brian George

Brother Warth (voice)

Phil Morris

Saint Walker (voice)

Ron Perlman

Sinestro (voice)

Jeff Bennett

Duke Nigel Fortenberry / Tomar-Re (voice)

Dee Bradley Baker

Larfleeze (voice)

Sarah Douglas

Science Director (voice)

Susanne Blakeslee

Sayd (voice)

Diedrich Bader

Guy Gardner (voice)