One Tough Cop is a 1998 American action crime film. It was directed by Bruno Barreto and written by Jeremy Iacone. The movie stars Stephen Baldwin as the protagonist and first-person narrator Bo Dietl, a real-life New York City detective who wrote the book that the film is based on. Chris Penn costars as Dietl's partner. Gina Gershon, Mike McGlone and Paul Guilfoyle also play key roles. Plot summary Detective Bo Dietl and his partner investigate the rape and murder of a nun. Meanwhile, Dietl learns that his partner has a gambling problem, and is in debt to loan sharks. Cast Stephen Baldwin as Bo Dietl Chris Penn as Duke Finnerly Gina Gershon as Joey O'Hara Mike McGlone as Richie La Cassa Luis Guzmán as "Papi", Gunman Harvey Atkin as Rudy Paul Guilfoyle as Frankie "Hot" Salvino Victor Slezak as FBI Agent Burt Payne Amy Irving as FBI Agent Jean Devlin Jason Blicker as Philly Nose Bo Dietl as Detective Benny Levine Frank Pellegrino as Lieutenant Frank Raggio Michael Rispoli as Lieutenant Denny Reagan Paul Calderón as Sergeant Diaz Jean Paul as Juano Larry Gilliard Jr. as Curtis Wilkins Philip Akin as Inspector Cheney Nigel Bennett as Inspector Bassie Reception One Tough Cop was poorly received by critics. On Rotten Tomatoes, the film holds a rating of 24% from 21 reviews. References External links One Tough Cop at the TCM Movie Database 1998 action thriller films 1998 films American action thriller films Films scored by Bruce Broughton Films directed by Bruno Barreto Films produced by Martin Bregman American police detective films 1990s English-language films 1990s American films