Scott MacDonald ... Burley (14 episodes, 2003-2005)
John Savage ... Henry 'Hack' Scudder (14 episodes, 2003-2005)
Michael Stellman ... Fire Eater (13 episodes, 2003-2005)
John Fleck ... Gecko (12 episodes, 2003)
Karyne Steben ... Alexandria (12 episodes, 2003)
John Carroll Lynch ... Varlyn Stroud (12 episodes, 2005)
Sarah Steben ... Caladonia (12 episodes, 2003)
Robert Knepper ... Tommy Dolan (12 episodes, 2003-2005)
Blake Shields ... Osgood (12 episodes, 2003-2005)
Larry Vigus ... Carny (12 episodes, 2003)
Nicholas Garren ... Roustie (11 episodes, 2005)
Linda Hunt ... Management (9 episodes, 2003-2005)
K Callan ... Eleanor McGill (8 episodes, 2003-2005)
Bill Moseley ... Possum (8 episodes, 2003-2005)
Amanda Aday ... Dora Mae Dreifuss (6 episodes, 2003)
Daniel Browning Smith ... Rubber Boy (6 episodes, 2005)
Don Swayze ... Tattooed Man / ... (6 episodes, 2003-2005)
Rachelle Roderick ... Carnivale Woman #2 (6 episodes, 2003)
Michael Massee ... Russian Soldier / ... (5 episodes, 2003-2005)
Glenn Shadix ... Councilman Val Templeton / ... (5 episodes, 2003-2005)
Matt McCoy ... Councilman Ned Munson / ... (4 episodes, 2003-2005)
Frank Collison ... Jasper / ... (4 episodes, 2003-2005)
Ted Rooney ... Flasher / ... (4 episodes, 2003-2005)
Paul Hipp ... Bert (3 episodes, 2005)
Time Winters ... Wilfred Talbot Smith (3 episodes, 2005)
Bree Walker ... Sabina (3 episodes, 2005)
Valeria Hernandez ... Catalina de la Rosa (3 episodes, 2003)
Mark Ankeny ... Announcer / ... (3 episodes, 2003-2005)
Gene Wolande ... Clyde (3 episodes, 2005)
Eliza Pryor Nagel ... Celeste Watkins / ... (3 episodes, 2005)
Kelly Lynn Warren ... Volunteer #1 / ... (3 episodes, 2005)
Kim Robillard ... Frank Mooney (3 episodes, 2003-2005)
Matthew McGrory ... Giant / ... (3 episodes, 2003-2005)
Stephen White ... Lester McGill / ... (3 episodes, 2003)
John Aylward ... Bishop McNaughton (2 episodes, 2005)
Steph DuVall (2 episodes, 2005)
Kurt Fuller ... Bud Everhard (2 episodes, 2005)
Mark Boone Junior ... Alvin (2 episodes, 2005)
Jon Gries ... Texas Ranger (2 episodes, 2003-2005)
John Doe ... Phineas Boffo (2 episodes, 2003)
Richard Fancy ... Psychiatrist (2 episodes, 2003)
Leo Fitzpatrick ... Ern (2 episodes, 2005)
John Hannah ... Stangler (2 episodes, 2003)
Jimmi Simpson ... Lee (2 episodes, 2005)
John Allsopp ... Fletch (2 episodes, 2005)
Lilli Babb ... Little Girl (2 episodes, 2005)
Jamie Kaler ... Young Brother Justin (2 episodes, 2005)
Cameron Clapp ... Management (2 episodes, 2005)
Spencer Garrett ... Young Balthus (2 episodes, 2003)
Elizabeth Kate ... Young Apollonia (2 episodes, 2005)
Sydney Dever ... Octavia (2 episodes, 2005)
Price Carson ... Guard / ... (2 episodes, 2005)
Jordan Orr ... Alexsei (2 episodes, 2003)
Dennis W. Hall ... Garrett (2 episodes, 2003-2005)
Gigi De Leon ... Prostitute (2 episodes, 2003)
Tony Perez ... Bartender (2 episodes, 2003)
Erin Sanders ... Irina (2 episodes, 2003)
Devon Reeves ... Ginny (2 episodes, 2005)
Deborah Strang ... Becca Donovan / ... (2 episodes, 2003-2005)
Brent Hinkley ... Wheel Man / ... (2 episodes, 2003)
Michael Waltman ... Toady (2 episodes, 2003-2005)
Saemi Nakamura ... Hiroshi (2 episodes, 2005)
Michael D. Nye ... Pa (2 episodes, 2003)
Wil Myer ... Kid (2 episodes, 2005)
Christopher Nathaniel ... Altar Boy / ... (2 episodes, 2005)