迈克尔·史蒂文斯

Michael Stevens

饰：自己

玛丽•茅泽

Mary Mouser

饰：Mary

罗萨那·潘思诺

Rosanna Pansino

饰：Self

朱蒂·何

Judy Ho

饰：Self - Clinical & Forensic Psychologist

David Levy

David Levy

饰：Self - Social Psychologist

Cory Kirk

饰：Cory

Mike Muratore

饰：Surveyor #1

India Pearl

Kelvin Blunt

饰：Security Chief

Doug Vakoch

饰：Himself - President of METI International

崔恩·米勒

Trin Miller

饰：Scientist

多米尼克·莫纳汉

Dominic Monaghan

饰：Self

亚当·萨维奇

Adam Savage

饰：Self

凯勒·沃瑟姆

Keller Wortham

饰：Self

Derek Muller

饰：Self

Henry Mark

Henry Mark

饰：Self