Mackenzie Astin

as John Avery

as Gary Wheeler (2 episodes)

as Jereme Spencer (3 episodes)

as Detective Hayes (1 episode)

as Tom O'Connell (3 episodes)

as Corroded Carl

as Dominic

as Barry Chester (2 episodes)

as Lt. Pratt

as Anderson Wesley (8 episodes)

as John Moody (5 episodes)

as Sam Herst

as Gil Brigham (4 episodes)

as Captain J. Walter Elliott / Private George Clarkson (voice)

as Dr. Clyde Fisher

as Self

as Orrin Channing (1 episode)

as Jacob

as Harry Barnett

as Pastor Paul

as Tom

as Eric

as Richard (15 episodes)

as Dr. Max Cahn (3 episodes)