Greenland Cast

John Garrity is a structural engineer and father who tries to get his family to safety during a global comet disaster.

Allison Garrity is John's wife and Nathan's mother who travels with the family to reach an evacuation site.

Ralph Vento is a neighbor and friend of the Garritys who evacuates with them.

Judy Vento is Ralph's wife and a neighbor who joins the Garrity family during the evacuation.

Nathan Garrity is the Garritys' young son who requires medical attention for diabetes during the evacuation.

Dale is an older man the family encounters during their journey.

Colin is a friend of John who appears early in the story.

Major Breen is a military officer involved in organizing evacuations and shelter assignments.

Twin Otter Pilot is the pilot of a Twin Otter aircraft involved in evacuation flights.