Derek Jacobi (Captain Wilder)
Hayley Atwell (Spender)
Anna Madeley (The Lawyer)
Mark Lewis Jones (Hathaway)
John Altman (Parkhill)
Zoe Tapper (Evie)
Jonathan Rhodes (Biggs)
Dean Harris (Thompson)
Ryan Sewell (Young Wilder)
Rachael Naylor (Pluto Survey Officer)
Jacob James (Soldier)
Robert Lock (Prison Officer)
Melissa Aston-Munslow (Miss Edwards)
Owen Sewell (Robert)
Polehampton Junior School (Mayflower Rocket Kids)