Vo filme Ctihodný občan hrajú Jamie Foxx (Nick Rice), Gerard Butler (Clyde Alexander Shelton), Colm Meaney (Detective Dunnigan), Bruce McGill (Jonas Cantrell), Leslie Bibb (Sarah Lowell), Michael Irby (Detective Garza), Gregory Itzin (Warden Iger), Regina Hall (Kelly Rice), Emerald-Angel Young (Denise Rice), Brooke Stacy Mills (Clyde's Wife), Christian Stolte (Clarence Darby), Annie Corley (Judge Laura Burch), Richard Portnow (Bill Reynolds), Viola Davis (Mayor April Henry), Michael Kelly (Bray), Josh Stewart (Rupert Ames), Roger Bart (Brian Bringham), Dan Bittner (Sereno), Patrick McDade (Charlie - City Hall Security), Richard Barlow (Older Cop), Greg Young (SWAT Captain), Jim Gushue (SWAT Commando), Anthony Lawton (Trunk Cop), David Villalobos (Print Reporter), Ksenia Hulayev (Clyde's Daughter), Todd Lewis (Cop), Bijean Ngo (Marvelle), Cecelia Ann Birt (Nick's Assistant), Lamont Clayton (FBI Agent), Dave Huddleston (Reporter at Execution), Gabra Zackman (Another Reporter), Brian Anthony Wilson (Homeland Security Supervisor), Stephanie Humphrey (Local Newscaster #1), Tracy Toth (Local Newscaster #2), Jim Fitzpatrick (Messenger), Lawrence Laravela (Bailiff #1), Barbara Lambert (Bailiff #2), Nakia Dillard (City Hall Sheriff), Keith Moyer (Inmate Jeremy (uncredited)), Robert Bizik (Deputy Police Chief (uncredited)), Ian Bonner (Det. Rick Collins (uncredited)), Jennifer Butler (Recital Guest (uncredited)), Gregory R. Campbell (EMS (uncredited)), Bill Chemerka (Lawyer (uncredited)), Mustafa Cimen (New Stand Vendor (uncredited)), Damien Colletti (Officer Bruno (uncredited)), Brian Distance (Nick's Security Detail (uncredited)), Justin Doescher (Cantrell's Security (uncredited)), Lewis Duval (Audience Member (uncredited)), Robert Eckard (Convict (uncredited)), Phil. E. Eichinger (Mourner (uncredited)), John Charles Hunt (Prison Guard (uncredited)), Steven J. Klaszky (Homeland Security Agent (uncredited)), Robert Montano (Attorney (uncredited)), Matt Nicholas (Crime Scene Investigator (uncredited)), Eddie Noone (Hero Police Officer Cimino (uncredited)), Michael Nutter (Official with Bible (uncredited)), Joe Pawlenko (Hero Guard (uncredited)), Lou Pacheco (Corrections Officer (uncredited)), Vincent Riviezzo (Police Commissioner (uncredited)), W. Keith Scott (SWAT (uncredited)), William Shipman (Prison Guard (uncredited)), Towanda Underdue (Reporter (uncredited)), David Von Roehm (Reporter (uncredited)), Teddy Valdes (Reporter (uncredited)), Matt von Siegel (Officer Urban (uncredited)), Damion J. Williams (Police Officer (uncredited)).