Alex Sharp

Derek Echevaro

Gillian Anderson

Dr. Hendricks

Ella Purnell

Natalie

David Strathairn

Franklin Ahls

Brian 'Wolfman Black' Bowman

Roland Junger

Katie Eichler

Sara

Marcus B. Jackson

Armed Guard

Mark Aaron Buerkle

William Hendricks

John E. Brownlee

FBI Agent (uncredited)

Derek Polen

FBI Scientist (uncredited)

Shawn P. Farrell

Graduate Student (uncredited)