S1E20 · Insensible

Jesse McCartney

Dick Grayson / Robin / Nightwing (voice)

Nolan North

Conner Kent / Superboy (voice)

Danica McKellar

M'gaan M'orzz / Megan Morse / Miss Martian (voice)

Stephanie Lemelin

Artemis Crock / Artemis / Tigress (voice)

Khary Payton

Kaldur'ahm / Aqualad (voice)

Jason Spisak

Wally West / Kid Flash (voice)

Cree Summer

Mary West / Mattie Harcourt (voice)

Bruce Greenwood

Batman / Pieter Cross (voice)

Steve Blum

Count Vertigo / Rudy West / Henchy (voice)

Adrian Pasdar

Hugo Strange (voice)

Ariel Winter

Perdita (voice)

Miguel Ferrer

Vandal Savage (voice)

Nicole Dubuc

Iris West-Allen (voice)

Khary Payton

Brick (voice)

Lacey Chabert

Zatanna (voice)