Maniac

Elijah Wood

Frank Zito

Nora Arnezeder

Anna

America Olivo

Frank's Mother

Zoe Aggeliki

Jenna

Jan Broberg Felt

Rita

Joshua De La Garza

Martin

Dan Hunter

Nick / Clubber Boy

Genevieve Alexandra

Jessica

Liane Balaban

Judy

Megan Duffy

Lucie

Luis Fernandez-Gil

Waiter

Aaron Colom

Alley Man

Akbar Kurtha

Pharmacist

Sal Landi

Police Chief

Délé Ogundiran

Policewoman

Bryan Lugo

Officer Burton