西恩·帕特维

Sean Pertwee

饰：Himself - Narrator

Paul Blase

饰：Himself - TransOrbital

Margaret Curtis

饰：Herself - Local Historian

Winnifred Cutler

饰：Herself - Athena Institute

William Fung-Schwarz

饰：Himself - The Moon Society

Peter Kokh

饰：Himself - President, The Moon Society

Gary Lofgren

饰：Himself - NASA Planetary Scientist

John Noble Wilford

饰：Himself - Apollo Correspondent: The New York Times

David A. Rothery

饰：Himself - The Open University

Stacey Tearne

饰：Herself - Space Adventures

Jerry Wiant

饰：Himself - Texas Laser Ranging Station

Don Pettit

饰：Self - NASA Astronaut

Linda Hyder

Linda Hyder

饰：Self - Voyager Navigation Engineer