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As the crew embark on the final leg of their journey to Arcadia, a collision with an asteroid causes problems.
Savannah Steyn
Ash Harper
Sharon Duncan-Brewster
Tula Quik
Eleanor Tomlinson
Candy
Thomas Turgoose
Drew
Natasha O'Keeffe
Emma
Oliver Coopersmith
Echo
Imogen Daines
Verona
Diany Samba-Bandza
Genevieve
Parminder Nagra
Rebecca Harper
Craig Parkinson
Dr. Lee
