Ethan Hawke
Vincent Freeman
Jude Law
Jerome Eugene Morrow
Loren Dean
Adult Anton Freeman
Blair Underwood
Geneticist
Elias Koteas
Antonio Freeman
Maya Rudolph
Delivery Nurse
Elizabeth Dennehy
Preschool Teacher
Mason Gamble
Younger Vincent
Vincent Nielson
Younger Anton
William Lee Scott
Young Anton
Clarence Graham
Personnel Officer
Carlton Benbry
Gattaca Hoover
Susan Jennifer Sullivan
Sequencing Customer
Ken Marino
Sequencing Technician
Cynthia Martells
Cavendish
Gabrielle Reece
Gattaca Trainer
Ryan Dorin
Twelve-Fingered Pianist
Dean Norris
Cop on the Beat
Russell Milton
Gattaca Detective
George Marshall Ruge
Beaten Detective
Steve Bessen
Blood Test Detective
Lindsey Ginter
Mission Commander
Greg Sestero
Gattacan Citizen (uncredited)