Guest Stars Jodi Balfour as Ellen Waverly Meghan Leathers as Pam Horton Jessica Tuck as Christine Francis Robert Bailey, Jr. as Will Tyler Lev Gorn as Grigory Kuznetsov C.S. Lee as Lee Jung-Gil Vera Cherny as Lenara Catiche Jorge Diaz as Victor Diaz Santiago Veizaga as Javier Diaz Sean Patrick Thomas as Corey Johnson Madeline Bertani as Amber Stevens Shannon Lucio as Amanda Dale Masha Mashkova as Svetlana Zakharova Mac Brandt as Tom Parker Jay Paulson as Colonel George Peters Dave Theune as Tom Gamon Co Starring Ezrah Lin as Alex Poletov Blair Hickey as Richard "Dicky" Hilliard Ellie Grace Pomeroy as Avery Stevens Alex Cioffi as Tim Paris Rose as Graciana Diaz Piper Rubio as Lily Dale Constantine Gregory as Artem Zylan Brooks as Flight Director Jen Hughes Irina Dubova as Olga Poletova Coco Day as Sarah Dale Gediminas Adomaitis as Kirill Semenov Jake Renner as Soviet News Anchor Denis Kolomoets as Soviet Policeman #1 Dimitar Bakalov as Fyodor Korzhenko Nick von Schlippe as Baker Caity Ware as Controller - Mars Ops Com Alex Alexander as Helios Receptionist Matt Jennings as Crew Member - Mars Ops Com Georgi Zlatarev as Customer Boris Georgiev as KGB Agent Sheldon Coolman as Controller - CSC Mission Control Keith Barber as Delmar Matthew Um as Props Alex Demkin as Russian Controller Kelsi Roberts as Brenda Vladimir Dimitrov as Father