Colin Donnell

as Mr. McCoy

as Self

as Erik Hayes (1 episode)

as Mack (10 episodes)

as SSA Brian Lange (2 episodes)

as Aaron Maxwell

as Self (2 episodes)

as Charlie

as Henry

as Dr. Connor Rhodes (83 episodes)

as Scotty Lockhart (17 episodes)

as Daniel Mikorski (1 episode)

as Paul Porter

as Connor Rhodes (3 episodes)

as Tommy Merlyn (30 episodes), as Tommy Merlyn / Prometheus (1 episode), as Tommy Merlyn / Green Arrow (1 episode)

as Connor Rhodes (4 episodes)

as Mike Ruskin (4 episodes)

as Billy Parsons (1 episode)

as Agent Steve Stone (1 episode)