- Tom Skerritt
- Â Thomas Ahearn 2 episodes, 1999
- Sharon Lawrence
- Â Dori Thorell 2 episodes, 1999
- Charles S. Dutton
- Â Mayor Bruce Lincoln 2 episodes, 1999
- Lisa Nicole Carson
- Â Evie Lincoln 2 episodes, 1999
- Jennifer Garner
- Â Diane Agostini 2 episodes, 1999
- Rachel Ticotin
- Â Elizabeth Perez 2 episodes, 1999
- Frederick Weller
- Â Nicholai Karvovsky 2 episodes, 1999
- Erika Eleniak
- Â Jillian Parnell 2 episodes, 1999
- Mitchell Ryan
- Â Frank Agostini 2 episodes, 1999
- Cicely Tyson
- Â Emily Lincoln 2 episodes, 1999
- Mark Rolston
- Â Bruce Summerlin, Co. 51 2 episodes, 1999
- Ray J
- Â Clayton 2 episodes, 1999
- JR Bourne
- Â Joshua Bingham 2 episodes, 1999
- Michal Suchánek
- Â Danny Thorell 2 episodes, 1999
- Jerry Adler
- Â Burt Hornstein 2 episodes, 1999
- Garwin Sanford
- Â Sam Thorell 2 episodes, 1999
- Claire Yarlett
- Â Nancy Stuart 2 episodes, 1999
- Kimberley Warnat
- Â Christine Ahearn 2 episodes, 1999
- Paul Raskin
- Â Choreographer 2 episodes, 1999
- Marrett Green
- Â Newscaster 2 episodes, 1999
- Tony Marr
- Â Roberto 2 episodes, 1999
- Sean Campbell
- Â Firefighter at Apartment / ... 2 episodes, 1999
- Tony Morelli
- Â Firefighter O'Leary 2 episodes, 1999
- Peter Bryant
- Â Mayor's Aide Joseph 2 episodes, 1999
- Carla Stewart
- Â Judge 2 episodes, 1999
- Robert Bruce
- Â Jury Foreman 2 episodes, 1999
- Robert Thurston
- Â School Master 2 episodes, 1999
- Victor Favrin
- Â Motorman 2 episodes, 1999
- Roger Cross
- Â Allen 2 episodes, 1999
- Dave 'Squatch' Ward
- Â Anthony 2 episodes, 1999
- Frida Betrani
- Â Linda 2 episodes, 1999
- Irene Miscisco
- Â Nora Hornstein 2 episodes, 1999
- Chantal Strand
- Â Girl in Street / ... 2 episodes, 1999
- Madeline Elder
- Â Girl's Mother / ... 2 episodes, 1999
- Mark Holden
- Â Firefighter Outside Station / ... 2 episodes, 1999
- Dana Pemberton
- Â Firefighter in Truck / ... 2 episodes, 1999
- Bob Neve
- Â News Chopper Pilot 2 episodes, 1999
- Santo Lombardo
- Â Looter 2 episodes, 1999
- Oscar Goncalves
- Â City Official #1 2 episodes, 1999
- Veena Sood
- Â City Official #2 2 episodes, 1999
- Suzin Schiff
- Â City Official #3 2 episodes, 1999
- Hiro Kanagawa
- Â City Official #4 2 episodes, 1999
- John Treleaven
- Â City Official #5 2 episodes, 1999
- Ted Cole
- Â Radioman 2 episodes, 1999
- Craig Warkentin
- Â Mayor's Aide #2 2 episodes, 1999
- Tosca Baggoo
- Â Mayor's Aide #3 2 episodes, 1999
- Stephen Tibbetts
- Â Messenger 2 episodes, 1999
- Jennifer Clement
- Â Alice 2 episodes, 1999
- John McConnach
- Â Roadblock Soldier 2 episodes, 1999
- Wendy Morrow
- Â Red Cross Worker 2 episodes, 1999
- Tami DeSchutter
- Â Parent at School / ... 2 episodes, 1999
- Mark McConchie
- Â School Policeman 2 episodes, 1999
- Mark Gibbon
- Â FEMA Leader 2 episodes, 1999
- Mary Ann Skoll
- Â FEMA Tech #1 2 episodes, 1999
- Terry Chen
- Â FEMA Tech #2 2 episodes, 1999
- Brian Drummond
- Â FEMA Tech #3 2 episodes, 1999
- Jenn Forgie
- Â FEMA Tech #4 2 episodes, 1999
- Darryl Quon
- Â FEMA Tech #5 2 episodes, 1999
- Bobby Stewart
- Â Curfew Policeman 2 episodes, 1999
- Tom McBeath
- Â George 2 episodes, 1999
- Anthony Harrison
- Â Armoury Policeman 2 episodes, 1999
- Bridget O'Sullivan
- Â Jeanie 2 episodes, 1999
- Noah Heney
- Â Worker with List / ... 2 episodes, 1999
- Karin Konoval
- Â FEMA Official 2 episodes, 1999
- Will Sanderson
- Â Roger 2 episodes, 1999
- Robyn Driscoll
- Â Structural Engineer 2 episodes, 1999
- Clay St. Thomas
- Â Hazmat Officer 2 episodes, 1999
- Donny Lucas
- Â Paramedic 2 episodes, 1999
- Mike Dopud
- Â FEMA Dog Handler / ... 2 episodes, 1999
- Alexandria Mitchell
- Â Child with Dog 2 episodes, 1999
- Andrew Johnston
- Â Lt. Greene 2 episodes, 1999
- Robin Douglas
- Â OEM Official 2 episodes, 1999
- Deanna Williams
- Â Nurse 2 episodes, 1999
- Gardiner Millar
- Â Man at Grate / ... 2 episodes, 1999
- Pamela Perry
- Â Diane's Mother 2 episodes, 1999
- Brian Arnold
- Â Radio Announcer 2 episodes, 1999
- Chopper
- Â Lowrider 2 episodes, 1999
- Derek Ambrosi
- Â Sailor (uncredited) 1 episode, 1999