Lewis Dartnell

饰：Self

Nancy Kiang

饰：Self,(as Nancy Y. Kiang)

兰斯·卢曼

Lance Lewman

饰：Self,Narrator

David Charbonneau

饰：Self

Andrew Knoll

饰：Self,(as Andy Knoll)

Geoff Marcy

饰：Self

Sara Seager

饰：Self