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Killer's Block - Cast Appearances

Harley Quinn

Kaley Cuoco

voices Harley Quinn

Poison Ivy

Lake Bell

voices Poison Ivy

The Joker

Alan Tudyk

voices The Joker

Clayface

Alan Tudyk

voices Clayface

Commissioner Jim Gordon

Christopher Meloni

voices Commissioner Jim Gordon

Batgirl / Barbara Gordon

Briana Cuoco

voices Batgirl / Barbara Gordon

Nightwing / Dick Grayson

Harvey Guillén

voices Nightwing / Dick Grayson

Lex Luthor

Giancarlo Esposito

voices Lex Luthor

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