Jake McDorman
Alan Shephard (8 eps)
Patrick J. Adams
John Glenn (8 eps)
Colin O'Donoghue
Gordon Cooper (8 eps)
Eloise Mumford
Trudy Cooper (8 eps)
James Lafferty
Scott Carpenter (8 eps)
Nora Zehetner
Annie Glenn (8 eps)
Eric Ladin
Chris Kraft (8 eps)
Patrick Fischler
Bob Gilruth (8 eps)
Aaron Staton
Wally Schirra (8 eps)
Michael Trotter
Gus Grissom (8 eps)
Micah Stock
Deke Slayton (8 eps)
Shannon Lucio
Louise Shepard (8 eps)
Jackson Pace
Glynn Lunney (8 eps)
Josh Cooke
Loudon Wainwright (8 eps)
Kaley Ronayne
Dee O'Hara (8 eps)
Rachel Burttram
Betty Grissom (7 eps)
Chandler Head
Cam Cooper (7 eps)
Lucy Capri
Janita Cooper (6 eps)
Danny Strong
Shorty Powers (6 eps)
Jade Albany
Rene Carpenter (5 eps)
David Bolinger
Dave Glenn (5 eps)
Joshua Ritter
Carl Hutmacher (5 eps)
Kyra Johnson
Lyn Glenn (4 eps)
Jordan Blair Mangold Brown
Eunice (4 eps)
Avery Burns
Julie Shepard (4 eps)
Taegen Burns
Laura Shepard (4 eps)
Holland Hayes
T. Keith Glennan (3 eps)
Laura Ault
Jo Schirra (3 eps)
Victoria White
Marge Slayton (3 eps)
Andrew Romano
Network (3 eps)
Andy Gion
Recovery (3 eps)
Christopher Cassarino
Henri Landwirth (3 eps)
Sacha Seberg
Wernher von Braun (3 eps)
Mamie Gummer
Jerrie Cobb (3 eps)
Christopher Mann
Dr. Vance Marchbanks (3 eps)
Matthew Chizever
Marty Schnellham (2 eps)
Christopher Barra
Reporter #1 (2 eps)
R. Keith Harris
Jim Rathmann (2 eps)
Clay Gibson
Engineer 4 (2 eps)
Daryn Kahn
Ralph Morse (2 eps)
Hailey Fonte
Beautiful Young Woman (2 eps)
Tom Izdon
Egg Head (2 eps)
Todd Allen Durkin
Jerome Wiesner (2 eps)
Fredric Lehne
Bart Shepard (2 eps)
Brandon Hofmann
FIDO (2 eps)
Ella Paige
Alice Shepard (2 eps)
Elizabeth Blackmore
Lurleen Wilson (uncredited) (2 eps)
Ed Amatrudo
Dr. William Douglas (2 eps)
Michael MacCauley
James Webb (2 eps)
Tyler Jacob Moore
Bud Jennings (1 eps)
Bill Kelly
Buck (1 eps)
Tom Hillmann
Dr. White (1 eps)
Paige Patterson
Mary (1 eps)
Alea Figueroa
Carol (1 eps)
James L. Lincoln
Henry (1 eps)
Zach Franklin
Rick (1 eps)
Katlyn Horstkamp
Hotel Clerk (1 eps)
Ryan White
Courier (1 eps)
Austen LeTourneau
Tall Courier (1 eps)
Ward G. Smith
Minister (1 eps)
Cody Howard
Balc (1 eps)
Winston Haynes
Doctor (1 eps)
John Hardy
Doctor #2 (1 eps)
Robert Curtis Brown
Leo DeOrsey (1 eps)
Jordan Woods-Robinson
Mike Turley (1 eps)
Jonathan Woody
Congressman Brooks (1 eps)
Christy Antonio
Middle-Aged Woman (1 eps)
Donald Johnston
Valet (1 eps)
Eden Shultz
Sexy Brunette (1 eps)
Laura Stetman
Secretary (1 eps)
Stevan Diklich
Guy in Suit (1 eps)
Courtney Halverson
Dot (1 eps)
Rachel Comeau
Patricia (1 eps)
Tatum Price
Brunette (1 eps)
Paul Wilson
Preacher (1 eps)
Katie Leatherbury
Blonde (1 eps)
Chris Mayers
Ryerson (1 eps)
Lawrence H. Collins
Head White Coat (1 eps)
Joe Llorens
Technician (1 eps)
Sydney Gates
Deke's Companion (1 eps)
Sallie Glaner
Mrs. Shepard (1 eps)
Daniel Stapp
Freckled Kid (1 eps)
Andrea Canny
Singer (1 eps)
Randall Newsome
Samuel Evans (1 eps)
Adam Vernier
Ted Caliborne (1 eps)
Elizabeth D'Onofrio
Doris (1 eps)
Dennis Friebe
Concierge (1 eps)
Faye Rosing Novick
Secretary (1 eps)
Patrick James
Surgeon (1 eps)
Denise Gossett
Ham's Handler (1 eps)
Tiffany Kerr
Carla (1 eps)
Philip Nolen
Dr. Noyes (1 eps)
J. Scott Browning
Joe Schmitt (1 eps)
Paul Petrus
Scientist (1 eps)
Marquel Skinner
Young Woman with Orange Tree (1 eps)
Jeff Joslin
Reporter on TV (1 eps)
Brayden Benson
Michael (1 eps)
Trey Radel
Reporter 1 (1 eps)
David Jachin Kelley
Reporter 2 (1 eps)
Jim Serrano
Surgeon (1 eps)
Aviva Sevilla
Woman (1 eps)
Justin Smith
Jimmy Reed (1 eps)
Adam Hose
Ricky Carsrud (1 eps)
Bryan Da Silva
Mail Room Guy (1 eps)
