Name	Known for
Tamsin Greig Self - Narrator (voice) Self - Narrator (voice) See fewer	Green Wing (2004)
Tim Peake Self - Astronaut Self - Astronaut See fewer	Horizon (I) (1964)
Yuri Malenchenko Self - Cosmonaut Self - Cosmonaut See fewer	Secret Space Escapes (2015)
Rebecca Peake Self - Tim's Wife Self - Tim's Wife See fewer	Horizon (I) (1964)
Tim Kopra : Himself - Astronaut : Himself - Astronaut See fewer	Horizon (I) (1964)
John Ray Self - Flight Training Officer Self - Flight Training Officer See fewer	Horizon (I) (1964)
Viktor Kulepetov Self - Chief of Ballistics, Rtd (as Colonel Viktor Kulepetov) Self - Chief of Ballistics, Rtd (as Colonel Viktor Kulepetov) See fewer	Horizon (I) (1964)
Martin Trammer Self - Physician (as Dr Martin Trammer) Self - Physician (as Dr Martin Trammer) See fewer	Horizon (I) (1964)
Samantha Cristoforetti Self - Astronaut Self - Astronaut See fewer	No Gravity (2011)
Tracy Caldwell Dyson Self - Astronaut Self - Astronaut See fewer	Who Wants to Be a Super Millionaire (2004)
Costa Mavridis Self - EVA Systems Instructor Self - EVA Systems Instructor See fewer	Endpoint (2014)