Taraji P. Henson

Character: Katherine G. Johnson

Octavia Spencer

Character: Dorothy Vaughan

Janelle Monáe

Character: Mary Jackson

Kevin Costner

Character: Al Harrison

Kirsten Dunst

Character: Vivian Mitchell

Jim Parsons

Character: Paul Stafford

Mahershala Ali

Character: Jim Johnson

Glen Powell

Character: John Glenn

Ariana Neal

Character: Joylette Johnson

Saniyya Sidney

Character: Constance Johnson

Zani Jones Mbayise

Character: Kathy Johnson

Donna Biscoe

Character: Joylette Coleman

Olek Krupa

Character: Karl Zielinski

Aldis Hodge

Character: Levi Jackson

Kimberly Quinn

Character: Ruth

Frank Hoyt Taylor

Character: Judge

Lidya Jewett

Character: Young Katherine

Karan Kendrick

Character: Younger Joylette

Jaiden Kaine

Character: Joshua Coleman

Kurt Krause

Character: Sam Turner

Ken Strunk

Character: Jim Webb

Selah Kimbro Jones

Character: Carolyn Marie Jackson

Tre Stokes

Character: Levi Jackson Jr.

Corey Mendell Parker

Character: Howard Vaughan

Ashton Tyler

Character: Leonard Vaughan

Alkoya Brunson

Character: Kenneth Vaughan

Ron Clinton Smith

Character: White Cop

Gregory Alan Williams

Character: Marion Smithson

Maria Howell

Character: Ms. Sumner

Arnell Powell

Character: Professor Graves

Crystal Lee Brown

Character: Bernie

Tequilla Whitfield

Character: Eleanor

Dane Davenport

Character: Alan Shepard

Evan Holtzman

Character: Deke Slayton

Travis Smith

Character: Scott Carpenter

Scott Michael Morgan

Character: Bill Calhoun

Chris Cavalier

Character: IBM Technician

Robert G. McKay

Character: Pastor Ayres

Rhoda Griffis

Character: White Librarian

Karen Wheeling Reynolds

Character: Court Clerk

Kate Kneeland

Character: Court Clerk

Joe Knezevich

Character: Wind Tunnel PA Announcer

Paul Ryden

Character: TV Reporter at Cape Canaveral

John Atwood

Character: Newscaster

Jon Edwin Wright

Character: Newscaster

Wilbur Fitzgerald

Character: Senator Patrick

Michael Hartson

Character: Night School Professor

Bob Jennings

Character: Navy Officer

Gary Weeks

Character: Reporter at Press Conference

Afemo Omilami

Character: Man Outside Store

Cullen Moss

Character: Mission Control Commander

Amy Tipton

Character: Woman Crying

Elijah Everett

Character: Man Crying

Andre Pushkin

Character: Russian Scientist

Randall Newsome

Character: Russian Scientist

Joe Hardy Jr.

Character: Gordon Cooper

Howie Johnson

Character: Library Security Guard

David Kallaway

Character: NASA Security Guard

Addison Rose Melfi

Character: Addie Marcus

Paige Nicollette

Character: Eunice (uncredited)

Sierra Capri

Character: Parker (uncredited)