Robert 'Hoot' Gibson (2 episodes, 2015)
Jerry Ross (1 episode, 2015)
Mike Mullane (1 episode, 2015)
NASA Flight Director (1 episode, 2015)
Mission Comander (1 episode, 2015)
Frank Culbertson (1 episode, 2015)
So-Yeon Yi (1 episode)
Officer (1 episode)
Yuri Malenchenko (1 episode)