Cliff Belfort (1 episode)

Agent Stevens (6 episodes)

Jeff Trammell (3 episodes)

Rawlings Sr.

Eric's Dad (1 episode)

DARPA Official (1 episode)

Creepy Guy

Greg Alberts

Pronger (1 episode)

Jack Brenner (9 episodes)

Lane Bishop (3 episodes)

Sam Hendrix (1 episode)

Dale (1 episode)

Matt Murphy (1 episode)

(1 episode)

Daniel Cliff

Robert Bryant (1 episode)

Rick Quanstrom (1 episode)

Michael Wayland (2 episodes)

Henry

Jason Axelrod (1 episode)

Mark Clements (1 episode)

Bartholomew (2 episodes)

Congressman Murray (1 episode)

Ronald Basderic (2 episodes)

Agent Owen York (1 episode)

Brad Melville (1 episode)

Bryce #8

Ethan Conant (22 episodes)

Steve Mason

First Officer (1 episode)

Fred Conrad

Agent Walker (4 episodes)

Jack Magnum

Colonel Ormand

Michael

Scott

Ryan McKaye (26 episodes)

Dr. Litvack (1 episode)

Matt (as Adam Harrington)

Connor James (4 episodes)

Major Michael Ross

Peter's Friend

(16 episodes)

Brock (5 episodes)

Rogan

High Guard Captain Grissum (1 episode)

Team Snownook Leader

Doug

Brent Fenwick

Jason Marquette

Acolyte (1 episode)

Everett Madison

Sandy Mear (as Adam Harrington) (1 episode)

Mike Wilkes

Ken

New Driver #1 (1 episode)

Goa'uld #2 (2 episodes)

Khonsu (1 episode)

Paramedic #2 (as Adam Harrington)

Ty Chafey (1 episode)

Puppet Show Host (1 episode)

Billy Valentine (1 episode)

Jim the Cable man