Spudvisor
Benjamin Bratt

Dr. Jeremy Stone (2 episodes)

Christa Miller

Dr. Angela Noyce (2 episodes)

Viola Davis

Dr. Charlene Barton (2 episodes)

Louis Ferreira
Barry Flatman

Charles 'Chuck' Beeter (2 episodes)

Rick Schroder

Major Bill Keane (2 episodes)

Andre Braugher

General George Mancheck (2 episodes)

Fred Keating

Charles Henderson (2 episodes)

Paul Perri

Dr. Smithson (2 episodes)

Emily Holmes
Ted Whittall

President William J. Scott (2 episodes)

Ted Atherton

Edward 'Ed' Dewitt (2 episodes)

Roman Podhora
Denise Galik
Kurt Max Runte

Sherriff Martin Willis (2 episodes)

Cory Dagg

General Michaelson (2 episodes)

Nicola Anderson
Kurt Evans

Lt. Roger Shawn (2 episodes)

Panou

Lt. Lewis Crane (2 episodes)

Candus Churchill
Daniel Bacon
Stacee Copeland

Henderson's Secretary (2 episodes)

David Ross

Hank Benedict (2 episodes)

Tom Butler

Colonel Scott Arnold (2 episodes)

Nels Lennarson

George the Guard (2 episodes)

Chris Bradford
Matthew Smalley
Teach Grant

Morgue Attendant (2 episodes)

Donna Soares
Jacob Blair
Eric Breker
Ava Salomon

 Sarah Scott (2 episodes)

Aaron Junior Turner
Calvin Lee

 Korean Major (2 episodes)

Zyan Panagopoulos
Dan Hermansen
Roger Jacoe
Adrian Hrytzak

Art Department Coordinator (2 episodes)

Jerry Wanek

Production Design (2 episodes)

Vicky Peters
Dean Eilertson

Property Master (2 episodes)

Glenn Woodruff

Construction Coordinator (2 episodes)

Jim Filippone

Helicopter Camera (2 episodes)

Simon Jori

First Assistant Camera (2 episodes)

Jon Joffin

Director of Photography (2 episodes)

Marty McInally

Camera Operator (2 episodes)

Karin Nosella

Costume Coordinator (2 episodes)

Jenni Gullett

Costume Design (2 episodes)

Ian C. Ballard

Key Hair Stylist (2 episodes)

Jill Bailey

Makeup Artist (2 episodes)

Paul Lavigne

Wardrobe Supervisor (2 episodes)

Connie Parker

Makeup Department Head (2 episodes)

Susan Boyd
Dave Hospes

Stunt Coordinator (2 episodes)

Tony Lazarowich

Special Effects Coordinator (2 episodes)

Patti Henderson

Script Supervisor (2 episodes)

Crystal Braunwarth

Script Coordinator (2 episodes)

Ken Shane

First Assistant Director (2 episodes)

Josh Beal

Assistant Editor (2 episodes)

Jessica Schulte

Assistant Editor (2 episodes)

Keith Woods

Rigging Gaffer (2 episodes)

Tony Scott

Executive Producer (2 episodes)

Julia Neville

Production Manager (2 episodes)

Adrienne Sol

Production Coordinator (2 episodes)

David W. Zucker

Executive Producer (2 episodes)

Ridley Scott

Executive Producer (2 episodes)

Tom Thayer

Executive Producer (2 episodes)

Joel J. Richard

Original Music Composer (2 episodes)

Erich Gann

Sound Effects Editor (2 episodes)

Tim Terusa

Sound Editor (2 episodes)

Terry O'Bright

Sound Re-Recording Mixer (2 episodes)

Richard Steele
Anton Holden
Bob Costanza
Bill Bell

Sound Editor (2 episodes)

Keith Rogers

Sound Re-Recording Mixer (2 episodes)

Devon Heffley Curry

Supervising ADR Editor (2 episodes)

G. Michael Graham

Supervising Sound Editor (2 episodes)

Jan Vseticek

Visual Effects Coordinator (2 episodes)

David Váňa

Visual Effects Supervisor (2 episodes)

Michal Křeček

Digital Compositor (1 episode)