Studio : AstralTech
Tom Hanks (Présentateur Épisodes 1 à 11) Bernard Fortin
Blythe Danner (Narratrice Épisode 12) Sophie Faucher
Tom Amandes (Astronaute Harrison "Jack" Schmitt) Alain Zouvi
Jo Anderson (Patricia White) Nicole Fontaine
David Andrews (Astronaute Frank Borman) Mario Desmarais
John Aylward (Dr Pemberton) Edgar Fruitier
Dylan Baker (Bruce McCoy) Guy Nadon
Barry Bell (Rocco Petrone) Pascal Rollin
Janis Benson (Margaret Chase Smith) Élisabeth Chouvalidzé
Reed Birney (John Houbolt) Edgar Fruitier
Robert John Burke (Astronaute William Bill Anders) Jacques Lavallée
Dan Butler (Directeur de vol Eugene Kranz) Robert Taupin
David Clyde Carr (Directeur de vol Gerry Griffin) Yvon Thiboutot
David Clennon (Dr Lee Silver, Géologue) Jean-Marie Moncelet
Ronny Cox (Lee Atwood) Yvon Thiboutot
Bryan Cranston (Astronaute Edwin Buzz Aldrin) Hubert Gagnon
Matt Craven (Tom Kelly) Jean-Luc Montminy
Wendy Crewson (Faye Stafford) Anne Caron
Brett Cullen (Astronaute David Scott) Éric Gaudry
Ann Cusack (Jan Armstrong) Sophie Léger
Timothy Daly (Astronaute James Lovell) Luis de Cespedes
J. Downing (Astronaute Charles Duke) François Godin
Cary Elwes (Astronaute Michael Collins) Alain Zouvi
Dann Florek (Dr Robert Seamans) Luc Durand
Dave Foley (Astronaute Alan Bean) Antoine Durand
Al Franken (Jerome Weisner, Conseillé scientifique du Président) Ronald France
Joanna Garcia (Julie Shepard) Camille Cyr-Desmarais
Tony Goldwyn (Astraute Neil Armstrong) Daniel Picard
Tom Hanks (Jean-Luc Despont) Bernard Fortin
Mark Harmon (Astronaute Walter Schirra) Daniel Lesourd
Chris Hogan (Don Eyles) Serge Postigo
Chris Isaak (Astronaute Edward White II) Sylvain Hétu
Zeljko Ivanek (Astronaute Ken Mattingly) Pierre Auger
John M. Jackson (Hal Deacon) Jean-Marie Moncelet
Tchéky Karyo (George Melies) Daniel Roussel
Daniel Hugh Kelly (Astronaute Eugene Cernan) Sylvain Hétu
Michael Laskin (Larry Thompson) Denis Mercier
Dan Lauria (Administrateur de la NASA James Webb) Guy Nadon
Ted Levine (Astronaute Alan Shepard) Pierre Auger
John Carroll Lynch (Bob Gilruth) Sébastien Dhavernas
Ann Magnuson (Dee O'Hara) Lisette Dufour
Joshua Malina (Tim Messick) Antoine Durand
Ben Marley (Astronaute Roger Chaffee) Alain Zouvi
Andrew Masset (Dr William House) Ronald France
Dakin Matthews (Dr Thompson) Éric Gaudry
DeLane Matthews (Pat McDivitt) Chantal Baril
Paul McCrane (Astronaute Pete Conrad) Carl Béchard
Jkay Mohr (Brett Hutchins) Jacques Lussier
Kieran Mulroney (Astronaute Rusty Schweikart) Jean-Jacques Lamothe
George Newbern (Astronaute Stu Roosa) Gilbert Lachance
Conor O'Farrell (Astronaute James McDivitt) Jacques Lavallée
Holmes Osborne (George Low) Marc Bellier
Kim Ostrenko (Louise Shepard) Anne Dorval
Elizabeth Perkins (Mrilyn Lovell) Lisette Dufour
Ethan Phillips (Stanley Craig) Daniel Lesourd
Kevin Pollak (Gestionnaire du programme Appolo) Alain Zouvi
John Posey (Astronaute John Young) Hubert Gagnon
Robby Preddy (Phyllis Storms) Beatrice Picard
Michael Raynor (Astronaute Alan Worden) Denis Mercier
James Rebhorn (Harrison Storms) Hubert Fielden
Ruth Reid (Betty Grissom) Élizabeth Lesieur
Stephen Rooth (Directeur de vol Chris Kraft) Louis -Georges Girard
John Rothman (Warren Moburg) Sébastien Dhavernas
Alan Ruck (tom Dolan) Sébastien Dhavernas
Diana Scarwid (Joan Aldrin) Michèle Deslauriers
Nick Searcy (Astronaute Donald Deke Slayton) Benoît Rousseau
Grant Shaud (Bob Carbee) Martin Watier
John Slattery (Sénateur Walter Mondale) Daniel Picard
Brandon Smith (John Healey) Raymond Bouchard
Lane Smith (Emmett Seaborn) Vincent Davy
Isa Totah (Dr Farouk El-Baz, Géologue) Manuel Tadros
Robert C" Treveiler (Astronaute Gordon Cooper) Pierre Chagnon
Tom Verica (Astronaute Dick Gordon) François L'Écuyer
Gareth Williams (Astronaute James Irwin) Benoît Ethier
Rita Wilson (Susan Borman) Hélène Lasnier
Max Wright (Guenter Wendt) Benoît Marleau
Steve Zahn (Astronaute Elliott See) Jacques Brouillet