Ve filmu Incident hrají Ben Affleck (Gavin Banek), Samuel L. Jackson (Doyle Gipson), Toni Collette (Michelle), Sydney Pollack (Stephen Delano), William Hurt (Doyle's Sponsor), Amanda Peet (Cynthia Delano Banek), Richard Jenkins (Walter Arnell), Dylan Baker (Finch), Kim Staunton (Valerie Gipson), John Benjamin Hickey (Carlyle), Michael McGrath (Seavers), Bruce Altman (Terry Kaufman), Jennifer Dundas (Mina Dunne), Joe Grifasi (Judge Cosell), Tina Sloan (Mrs. Delano), Akil Walker (Stephen Gipson), Matt Malloy (Ron Cabot), Cole Hawkins (Danny Gipson), Ileen Getz (Ellen), Myra Lucretia Taylor (Judge Frances Abarbanel), Lisa LeGuillou (Gina Gugliotta), Angela Goethals (Sarah Windsor), Kevin Sussman (Tyler Cohen), Susan Varon (Sheryl Buckburg), Noel Wilson (Bartender at Arlo's), Angel Caban (Security Guard at School), Jim Lovelett (Security Guard at School), Julia Gibson (Receptionist at AD&S), Ray Bokhour (Willard), Suzanne Hevner (Delano's Secretary), Caleb Archer (Kid on Bike), Jordan Gelber (Priest), Olga Merediz (Mrs. Miller), Jayne Houdyshell (Miss Tetley), Shabazz Ray (Cop at Precinct), Raymond Anthony Thomas (Cop at Precinct), Michael Pitt (Music Teacher/Conductor), Genevieve Elam (Waitress), Juan Lara (Orchestra Child), Anastasia Rojas (Orchestra Child), Nicole Wright (Orchestra Child), Clive Oliver Greenberg (Orchestra Child), Gilbert S. Williams (Mike), Sophia Guaspari (Orchestra Member), Ruben Jared Seraballs (Orchestra Member), Father Bonneau (Self), Jewel Brimage (Teacher), Katarina Kianna (Teacher), Vanessa Quel (Kate), Howard I. Laniado (Barry), Tony Machine (Office Worker), Carolyn Feldschuh (Office Worker), Maria Alaina Mason (Office Worker), Harvey Waldman (Author in Newsroom Interview), Pamela Hart (Newscaster), Neal Jones (Newsroom Writer), Susan Blackwell (Newsroom Producer), Alyson Renaldo (Newsroom Executive Producer), James Soviero (Newsroom Associate Producer), Mary A. Kelly (Newsroom Script Supervisor), Anthony DiGiacomo (Newsroom Associate Director), Richard Velasco (Newsroom Director), Leonard L. Thomas (Newsroom Reporter), Richard Kelly (AA Group Leader), Selena Blake (Insurance Broker), Harriet Rosenthal (Family Court Member), John Kohl (Family Court Member), Lisa Vogel (Family Court Member), Bob Heffernan (Simon Dunne), Michael Arthur (Ticket Cop (uncredited)), Myriam Blanckaert (Lawyer (uncredited)), Lloyd Booker (DOUBLE / ON SCREEN (uncredited)), Salvatore Cavaliere (Family Court Officer (uncredited)), Israel Chaplin (George (uncredited)), Monet Cunningham (Family Court Member (uncredited)), Jason Diamond (Church Member (uncredited)), Philip M. Gardiner (Parishioner (uncredited)), Sean T. Krishnan (Sikh (uncredited)), Michael Lanuto (Bank Patron / Street Pedestrian (uncredited)), Pete Macnamara (Irate Pedestrian (uncredited)), Joseph Oliveira (Road Driver (uncredited)), David C. Roehm Sr. (Defendant in Custody (uncredited)), Sam Rovin (Paralegal (uncredited)), John H. Tobin (AA Attendee (uncredited)), Jarred Treiber (Park Avenue Businessman (uncredited)), David Von Roehm (Courtroom Observer (uncredited)), Ray Wineteer (Parishioner (uncredited)), Waneeki Yokomee-Fung (Tourist (uncredited)).