Cast of One Tough Cop

Stephen Baldwin plays Bo Dietl, the tough cop and central character of the movie.

Chris Penn portrays Duke Finnerly, a character intertwined with Bo Dietl in the film's storyline.

Michael McGlone takes on the role of Richie La Cassa, a key character in the movie's plot.

Gina Gershon plays Joey O'Hara, a significant character in the narrative alongside Bo Dietl.

Christopher Bregman appears as Gang Banger #1 in the movie.

Mike Santana portrays Gang Banger #2 in the film.

Luis Guzmán plays Gunman Popi, a character adding depth to the movie's storyline.

Dana Dietl is seen as Little Girl, a role that contributes to the emotional aspect of the movie.

Harvey Atkin appears as Rudy, a character with a notable presence in the film.

Paul Guilfoyle portrays Frankie 'Hot' Salvino, a key character within the movie's narrative.

Amy Irving plays FBI Agent Jean Devlin, a character intertwined with the central plot of the movie.

Victor Slezak appears as FBI Agent Burt Payne, contributing to the law enforcement angle in the film.