Ron Perlman
Hellboy (voice)
Selma Blair
Liz Sherman (voice)
Doug Jones
Abe Sapien (voice)
Peri Gilpin
Professor Kate Corrigan (voice)
Gwendoline Yeo
Kitsune (voice)
Dee Bradley Baker
Lightning / Kappa / Pilot (voice)
Phil LaMarr
Bureau Member / Pilot / Additional Voices (voice)
Mitchell Whitfield
Russell Thorne (voice)
Kim Mai Guest
Additional Voices (voice)
Michael Hagiwara
Additional Voices (voice)
Yuriana Kim
Additional Voices (voice)
Clyde Kusatsu
Additional Voices (voice)
Liza del Mundo
Additional Voices (voice)
Paul Nakauchi
Additional Voices (voice)
James Sie
Additional Voices (voice)
