Also Known As:
- Q&A
- Tödliche Fragen
- Contre-enquête
- Dödligt protokoll
- Dødbringende viden
- Distrito 34: Corrupción total
- Epikindynes erotiseis, thanasimes apantiseis
- Hol az igazság?
- Inquérito Escaldante Portgal
- Lain pyöveli
- Preguntas sin respuestas
- Pytania i odpowiedzi
- Q & A - Sem Lei, Sem Justiça
- Terzo grado
- Sidney Lumet
- Edwin Torres
- Sidney Lumet
- Alan Smithee
- Nick Nolte ... Captain Michael Brennan
- Timothy Hutton ... Asst. Dist. Atty. Aloysius 'Al' Francis Reilly
- Armand Assante ... Roberto 'Bobby Tex' Texador
- Patrick O'Neal ... Kevin Quinn (Chief of Homicide)
- Lee Richardson ... Leo Bloomenfeld
- Luis Guzmán ... Det. Luis Valentin (as Luis Guzman)
- Charles S. Dutton ... Det. Sam 'Chappie' Chapman (Homicide) (as Charles Dutton)
- Jenny Lumet ... Nancy Bosch / Mrs. Bobby Texador
- Paul Calderon ... Roger Montalvo
- International Chrysis ... José Malpica
- Dominic Chianese ... Larry Pesch / Vito / Lorenzo Franconi (as Dominick Chianese)
- Leonardo Cimino ... Nick Petrone (mob boss)
- Fyvush Finkel ... Preston Pearlstein
- Gustavo Brens ... Alfonse Segal
- Martin E. Brens ... Armand Segal
- Maurice Schell ... Det. Zucker
- Thomas Mikal Ford ... Lubin (court stenographer) (as Tommy A. Ford)
- John Capodice ... Hank Mastroangelo
- Frederick Rolf ... District Attorney
- Hal Lehrman ... Altshul
- Gloria Irizarry ... Mrs. Bosch (Nancy's mother)
- Brian Neill ... Sylvester / Sophia
- Susan Mitchell ... Flo (hooker)
- Drew Eliot ... Magnus
- Frank Raiter ... Seabury
- Harry Madsen ... Antonio 'Tony' Vasquez
- Jerry Ciauri ... Bruno Valli (Pesch's driver)
- George Kodisch ... Insp. Flynn
- Burtt Harris ... Phil
- Michael A. Joseph ... Pimp
- Cynthia O'Neal ... Agnes Quinn
- Victor Colicchio ... After Hours Luis Alvarado
- Anibal O. Lleras ... After Hours patron (as Anibal Lleras)
- José Rafael Arango ... After Hours patron
- David Dill ... Bartender
- Alex Ruiz ... Danny (hitman)
- Richard Solchik ... Phillie (hitman)
- Edward Rogers III ... José's apartment detective (Frank)
- Junior Perez ... 'Nancy' Captain
- Javier Ríos ... Boat lover
- June Stein ... Assistant District Attorney
- Rod Rodriguez ... Carlo
- Sonny Vito ... Gino
- Olga Merediz ... Mrs. Valentin
- Peter Gumeny ... Guard
- Edward Rowan ... Ed
- Danny Darrow ... Phone investigator
- José Collazo ... Fisherman
- José Alvarez ... Niteclub Dancer
- G.W. Bailey ... Bartender
- Janis Corsair ... TWA Supervisor