Jim Carrey

Walter Sparrow / Fingerling

Virginia Madsen

Agatha Sparrow / Fabrizia

Logan Lerman

Robin Sparrow

Danny Huston

Isaac French / Dr. Miles Phoenix

Lynn Collins

Suicide Blonde / Mrs. Dobkins / Young Fingerling's Mother

Rhona Mitra

Laura Tollins

Mark Pellegrino

Kyle Finch

Ed Lauter

Father Sebastian

David Stifel

Hotel Clerk

Corey Stoll

Sergeant Burns

Bud Cort

Dr. Sirius Leary

Michelle Arthur

Sybil

Paul Butcher

Young Fingerling / Young Walter

Troy Kotsur

Barnaby

Patricia Belcher

Dr. Alice Mortimer