Toby Jones

as David Pilcher / Dr. Jenkins

Shannyn Sossamon

as Theresa Burke

Hope Davis

as Megan Fisher

Charlie Tahan

as Ben Burke

Tom Stevens

as Jason Higgins

Carla Gugino

as Kate Hewson

Melissa Leo

as Nurse Pam

Matt Dillon

as Secret Service Agent Ethan Burke

Reed Diamond

as Harold Ballinger

Jason Patric

as Dr. Theo Yedlin