출연진
리처드 버튼
George Herbert, The Journalist (archive sound)
Justin Hayward
The Sung Thoughts of The Journalist
Russell Watson
Parson Nathaniel
Chris Thompson
The Voice of Humanity
Tara Blaise
Beth
James Alexis
The Artilleryman
Anna-Marie Wayne
Carrie
Lewis Macleod
The Martian Voices in The Prequel (voice)
Jerry Wayne
The Voices of NASA Control (voice)