Walter Sparrow/Fingerling

Jim Carrey

Agatha Sparrow/Fabrizia

Virginia Madsen

Walter's Father/Fingerling's Father

John Fink

Robin Sparrow

Logan Lerman

Isaac French/Dr. Miles Phoenix

Danny Huston

Laura Tollins

Rhona Mitra

Kyle Finch

Mark Pellegrino

Dr. Alice Mortimer

Patricia Belcher

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

Lynn Collins

Sybil

Michelle Arthur

Young Walterl/Young Fingerling

Paul Butcher

Hotel Clerk

David Stifel

Sgt. Burns

Corey Stoll

Father Sebastian

Ed Lauter

Bookstore clerk

Tom Lenk

Barnaby

Troy Kotsur

Janice

Julie Remala

Dr. Sirius Leary

Bud Cort

The Girlfriend

K.T. Rowe

Lucinda

Shannon Gayle

Lucinda

Shakti Shannon

Desk Clerk

Bob Zmuda

Chinese Restaurant Owner

Walter Soo Hoo

Attractive Coed

Lesli Margherita

Dr. Nathaniel

Rudolph Willrich

Box Company Clerk

Tara Karsian

Fingerling's Sergeant

Ka'ramuu Kush

Charades Friend

Maile Flanagan

Virgina Madsen

Suicide Blonde's Father

Kerry Hoyt

Lady Walking Dog

Helen Jordan

Building Super

Eddie Rouse

Party Goer

Coier Amerson