Iron Lung

Mark Fischbach

Simon

Caroline Kaplan

Ava

Troy Baker

David

Elsie Lovelock

SM-8 Research Lead / The Speaker (voice)

Elle LaMont

SM-8 Research Assistant / The Whisper (voice)

Mick Lauer

The Guy Who Told You to Cross the Wires (voice)

Dave Pettitt

The Father

Holt Boggs

Eden Soldier

Isaac McKee

Young Simon

Roman Parsons Crow

Child of Eden

River Van Coleman Crow

Child of Eden

Townes Blaine Crow

Child of Eden