演职人员
Grandpa
Gregory Patrick Agnew
Physicist (Age 15)
Roman Spenneberg
Physicist (Age 8)
Jax Inman
Physicist
Brodie McCauley
Ship Captain
Olivia Jones
Ship Engineer
Jezreel Forand
Ship Pilot
Nicholas Poppe
Guardian Angel (voice)
Sofia Spenneberg
Distorted voice (voice)
Ian Papworth
Spirit (voice)
Adam S. Depew
Self (archive footage)
Martin Luther King Jr.
Self (archive footage)
卡尔·萨根
Self (archive footage)
Johnny Cash
Self (archive footage)
琼·卡特·卡什