• 
  Shaun Cassidy

  scenarist

• 
  Eddie Cibrian

  Russell Varon
• 
  William Fichtner

  Tom Underlay
• 
  Kari Matchett

  Dr. Mariel Underlay
• 
  Evan Peters

  Jesse Varon
• 
  Robyn Cohen
• 
  Brandon Keener

  Air Force Lt. William Blount (1 episode, 2006)
• 
  Ron Butler

  Asst. Coroner Arvin Morton  (2 episodes, 2005)

• 
  Sean Blakemore

  Coast Guard Lt. (1 episode, 2006)
• 
  Tammy Trull

  Alma Treadwell (4 episodes, 2006)
• 
  E.J. Callahan

  Earl (1 episode, 2005)
• 
  Robert Peters

  Craig (1 episode, 2005)
• 
  Julio Oscar Mechoso

  Frank Vargas (3 episodes, 2006)
• 
  Nathan Baesel

  Deputy Lewis Sirk (15 episodes, 2005-2006)
• 
  Jeff Perry

  Terrence Gale (1 episode, 2005)

• 
  Dotan Baer

  Air Force Rescue Team  (1 episode, 2006)
• 
  Valerie Cruz

  Colonel Sabrina Lopez (2 episodes, 2006)
• 
  Ivar Brogger

  Father Jeffrey Scanlon (10 episodes, 2005-2006)
• 
  Cirroc Lofton

  Reed (2 episodes, 2005)
• 
  Tina Holmes

  Ms. Wade (3 episodes, 2006)
• 
  Joshua Harto

  Greg Olgalvy (3 episodes, 2005)
• 
  Anne Dudek

  Katie Paxton  (2 episodes, 2005)
• 
  David Huynh

  Sun Kim (2 episodes, 2006)
• 
  Eric Sheffer Stevens

  Natl. Guard Driver (1 episode, 2006)
• 
  Paul Eric Jerome

  Man in Truck (1 episode, 2006)
• 
  Allan Louis

  Gerard (1 episode, 2005)
• 
  Veronica Cartwright

  Valerie Shenkman (5 episodes, 2005-2006)
• 
  Arthur Young

  7 Year Old  (2 episodes, 2006)
• 
  Juan Carlos Cantu

  Javi  (1 episode, 2006)
• 
  James Frain

  Eli Szura (7 episodes, 2006)
• 
  Patricia Bethune

  Ellen Paymer (1 episode, 2006)
• 
  Juan Ramírez

  Hispanic Man (1 episode, 2005)
• 
  Aramis Knight

  Hispanic Boy (1 episode, 2005)
• 
  Kimleigh Smith

  Nurse Kim  (6 episodes, 2005-2006)
• 
  Rich Skidmore

  Anchorman (1 episode, 2005)
• 
  Tony Alameda

  Hybrid Fisherman  (2 episodes, 2006)
• 
  K.T. Thangavelu

  Principal Hundeen (1 episode, 2006)
• 
  Lisa Jane Persky

  Disheveled Woman (1 episode, 2005)
• 
  Hazel Dean

  Student #2 (1 episode, 2006)
• 
  Joshua Gomez

  Scott (5 episodes, 2005-2006)
• 
  Cotter Smith

  Deputy Buell (1 episode, 2006)
• 
  Ron Perkins

  Man (1 episode, 2006)
• 
  Meera Simhan

  Pria  (2 episodes, 2005)
• 
  Verda Bridges

  Brett's Mom (1 episode, 2006)
• 
  Armin Shimerman

  Josh Breims (2 episodes, 2005)
• 
  Frank Collison

  Earl (1 episode, 2005)
• 
  Aisha Hinds

  Mona Gomez (15 episodes, 2005-2006)
• 
  Scott Klace

  Stevie (3 episodes, 2005-2006)
• 
  Jean Sincere

  Mrs. Lowell (1 episode, 2005)
• 
  Scott Michael Morgan

  Randy Tredwell (1 episode, 2006)
• 
  Owen Beckman

  Scott  (3 episodes, 2006)
• 
  Rocky Carroll

  Healy (4 episodes, 2005-2006)
• 
  Stephen Lee

  Carl McKittrick (1 episode, 2005)
• 
  Nicole Garza

  Emily (1 episode, 2006)
• 
  Lee Garlington

  Helen Conrad (1 episode, 2005)
• 
  Edwin Hodge

  Brett (4 episodes, 2006)
• 
  Peggy Dunne

  Dottie Petrie (1 episode, 2005)
• 
  Holmes Osborne

  Mayor Littles (5 episodes, 2005-2006)
• 
  James Carraway

  Roger Weeks (5 episodes, 2005-2006)
• 
  Cody Benjamin Lee

  Logan (1 episode, 2006)
• 
  Shane Ryan

  Boy in Crowd (1 episode, 2006)
• 
  Alexis Dziena

  Kira Underlay (21 episodes, 2005-2006)
• 
  Jake Richardson

  Gage (4 episodes, 2005)
• 
  Tyler Labine

  Dave Groves (22 episodes, 2005-2006)
• 
  Michael Broderick

  Hybrid Guardsman (1 episode, 2006)
• 
  Matt Ross

  Vince (1 episode, 2006)
• 
  Colin Fickes

  Deputy Palmateer (1 episode, 2006)
• 
  Bob Morrisey

  Lawrence Burley (1 episode, 2005)
• 
  Jeff Doucette

  Bob Hemming (1 episode, 2005)
• 
  Kurt Doss

  Curtis (1 episode, 2006)
• 
  Richard Kreps

  Hybrid Guardsman (1 episode, 2006)
• 
  Ewan Chung

  Dr. Francis Cao (4 episodes, 2005-2006)
• 
  Don Festge

  Police officer (1 episode, 2005)
• 
  Lisa Sheridan

  Larkin Groves (22 episodes, 2005-2006)
• 
  Elisabeth Moss

  Christina (5 episodes, 2005-2006)
• 
  Erik Betts

  Hurricane Survivor (1 episode, 2006)
• 
  Jeannetta Arnette

  Ruth (1 episode, 2005)
• 
  Bob Bancroft

  Dr. Feld (1 episode, 2006)
• 
  Jon Huertas

  Natl. Guardsman (1 episode, 2006)
• 
  Ariel Gade

  Rose Varon