Sam Dietz, the relentless police detective, returns to Los Angeles from a self-imposed exile to help the police solve another series of brutal killings committed by another crafty serial killer whom targets Dietz's latest love interest.



, (characters) (as Jack T.D. Robinson)

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Cast overview, first billed only:
Roy Kalewsky
Edward Wiley ...
Lt. Muldowney
Captain Phelan
Toni Keely
George Tovar ...
Detective Santos
Detective Schulte
Detective Ziskie
Detective Cirrillo
Signy Coleman ...
Diane Rodriguez ...
Angry Woman
Angry Man


Sam Dietz, divorced Los Angeles detective, is now back (from "up North") agrees to consult on a serial killer case. Not wanting to be anymore involved than that changes when the killer forces him to become actively involved in the investigation. The killer is someone he's arrested before... Written by <>

Plot Summary | Add Synopsis


When the fear're dead!


Action | Thriller


R | See all certifications »

Parents Guide:





Release Date:

18 August 1993 (USA)  »

Also Known As:

Relentless III  »

Filming Locations:

Company Credits

Production Co:

,  »
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Technical Specs


Sound Mix:


Aspect Ratio:

1.85 : 1
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Did You Know?


Although Leo Rossi plays the main character in all four "Relentless" films, this is the first where he gets top billing. See more »


Referenced in Saturday Night Live: The Best of David Spade (2005) See more »


You're Gonna Get What You Deserve
Music and Lyrics by John Vestor
Performed by Jess Harnell
Produced by Richard Stone and John Vestor
Published by Lauren Jordan Music (BMI)
See more »

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User Reviews

Best Of The 'Relentless' Series
24 May 2006 | by (United States) – See all my reviews

As with the second in the series, this keeps getting better than the previous film but also gets sleazier, so there is a good and bad material here. It's a rough film, make no mistake, but it's very interesting all the way. It has many of the same elements the two other films had: some grisly scenes, rough language but a fast-moving film which really goes fast considering it's only 80-some minutes long.

Leo Rossi once again stars but I liked his partner (Robert Costanzo) much better. William Forsythe once again plays a creepy killer. He seems to be typecast. The female lead is someone I haven't seen before or since: attractive Signy Coleman.

I did get confused a couple of issues such as how the detectives figured a few things out and that end. Also, whatever happened to "Marianne?" They do discuss something briefly but I couldn't get it. I don't claim this film is a great work of art: just entertaining.

Without giving anything I will say I liked the ending which wasn't the usual clichéd one. This is the only one in the series I would consider re-purchasing for DVD but it isn't available.

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