Nathan Fillion character Hal Jordan/Green Lantern
Jason Isaacs character Sinestro
Elisabeth Moss character Arisia Rrab
Kelly Hu character Laira
Arnold Vosloo character Abin Sur
Roddy Piper character Bolphunga
Henry Rollins character Kilowog
Tony Amendola character Kentor / Appa Ali Apsa (voice)
Grey DeLisle character Ree'Yu / Ardakian Trawl / Boodikka (voice)
Michael Jackson (II) character Ganthet
Peter Jessop character Salaak
David Kaufman character Rubyn
Sunil Malhotra character Bolphunga's Ship
Andrea Romano character Abin Sur's Ring / Deegan's Ring (voice)
Jane Singer character Wachet (voice)
James Arnold Taylor character Tomar-Re / Ysmault Prisoner
Bruce Thomas character Atrocitus
Mitchell Whitfield character Avra
Wade Williams character Deegan
Gwendoline Yeo character Blu
Bruce Timm character Galius Zed