Ethan Hawke

Vincent Freeman

Uma Thurman

Irene Cassini

Jude Law

Jerome Eugene Morrow

Alan Arkin

Detective Hugo

Loren Dean

Adult Anton Freeman

Gore Vidal

Director Josef

Tony Shalhoub

"German"

Ernest Borgnine

Caesar

Blair Underwood

Geneticist

Xander Berkeley

Dr. Lamar

Jayne Brook

Marie Freeman

Una Damon

Head Nurse

Elias Koteas

Antonio Freeman

Maya Rudolph

Delivery Nurse

Elizabeth Dennehy

Preschool Teacher

Mason Gamble

Younger Vincent

Chad Christ

Young Vincent

William Lee Scott

Young Anton

Susan Jennifer Sullivan

Sequencing Customer

Ken Marino

Sequencing Technician

Cynthia Martells

Cavendish

Gabrielle Reece

Gattaca Trainer

Dean Norris

Cop on the Beat

Russell Milton

Gattaca Detective

Lindsey Ginter

Mission Commander

Greg Sestero

Gattacan Citizen (uncredited)