Albert Brooks

Character: Marlin (voice)

Ellen DeGeneres

Character: Dory (voice)

Ed O'Neill

Character: Hank (voice)

Hayden Rolence

Character: Nemo (voice)

Diane Keaton

Character: Jenny (voice)

Eugene Levy

Character: Charlie (voice)

Ty Burrell

Character: Bailey (voice)

Kaitlin Olson

Character: Destiny (voice)

Idris Elba

Character: Fluke (voice)

Dominic West

Character: Rudder (voice)

Kate McKinnon

Character: Wife Fish (voice)

Bill Hader

Character: Husband Fish (Stan) (voice)

Andrew Stanton

Character: Crush (voice)

Torbin Xan Bullock

Character: Gerald (voice)

Bennett Dammann

Character: Squirt (voice)

Bob Peterson

Character: Mr. Ray (voice)

Alexander Gould

Character: Passenger Carl (voice)

Katherine Ringgold

Character: Chicken Fish (voice)

John Ratzenberger

Character: Husband Crab (Bill) (voice)

Angus MacLane

Character: Sunfish 'Charlie Back and Forth' (voice)

Willem Dafoe

Character: Gill (voice)

Brad Garrett

Character: Bloat (voice)

Allison Janney

Character: Peach (voice)

Austin Pendleton

Character: Gurgle (voice)

Stephen Root

Character: Bubbles (voice)

Vicki Lewis

Character: Deb (& Flo) (voice)

Jerome Ranft

Character: Jacques (voice)

Sloane Murray

Character: Young Dory (voice)

Lucia Geddes

Character: Tween Dory (voice)

Gabriel C. Brown

Character: Becky

Sigourney Weaver

Character: Sigourney Weaver (voice)

Riley Lio

Character: Additional Voices (voice)

David Arnott

Character: Additional Voices (voice)

Veronika Bonell

Character: Additional Voices (voice)

Doug Burch

Character: Additional Voices (voice)

Cathy Cavadini

Character: Additional Voices (voice)

Will Collyer

Character: Additional Voices (voice)

Liza Seneca

Character: Additional Voices (voice)

Judi Durand

Character: Additional Voices (voice)

Deb Fink

Character: Additional Voices (voice)

Aaron Fors

Character: Additional Voices (voice)

Willow Geer

Character: Additional Voices (voice)

Carter Hastings

Character: Additional Voices (voice)

Aaron Hendry

Character: Additional Voices (voice)

Andy Hirsch

Character: Additional Voices (voice)

Barbara Harris

Character: Additional Voices (voice)

Dara Iruka

Character: Additional Voices (voice)

Molly Jackson

Character: Additional Voices (voice)

Daniella Jones

Character: Additional Voices (voice)

Carlyle King

Character: Additional Voices (voice)

Jeremy Maxwell

Character: Additional Voices (voice)

Daniel Edward Mora

Character: Additional Voices (voice)

Dylan Naber

Character: Additional Voices (voice)

Jason Pace

Character: Additional Voices (voice)

Carrie Paff

Character: Additional Voices (voice)

Paige Pollack

Character: Additional Voices (voice)

Alex Puccinelli

Character: Additional Voices (voice)

David J. Randolph

Character: Additional Voices (voice)

Terrell Ransom Jr.

Character: Additional Voices (voice)

Emma Shannon

Character: Additional Voices (voice)

Gunnar Sizemore

Character: Additional Voices (voice)

Regina Taufen

Character: Additional Voices (voice)

Nancy Truman

Character: Additional Voices (voice)

Andreana Weiner

Character: Additional Voices (voice)

Ashlyn Faith Williams

Character: Additional Voices (voice)

Dashell Zamm

Character: Additional Voices (voice)

Frank Welker

Character: Giant Squid (voice) (uncredited)