Calificación
Reparto

Gregory Patrick Agnew
Grandpa

Roman Spenneberg
Physicist (Age 15)

Jax Inman
Physicist (Age 8)

Brodie McCauley
Physicist

Olivia Jones
Ship Captain

Jezreel Forand
Ship Engineer

Nicholas Poppe
Ship Pilot

Sofia Spenneberg
Guardian Angel (Voice)

Ian Papworth
Distorted Voice (Voice)

Adam S. Depew
Spirit (Voice)

Martin Luther King Jr.
Self (Archive Footage)

Carl Sagan
Self (Archive Footage)

Johnny Cash
Self (Archive Footage)

June Carter Cash
Self (Archive Footage)