Relentless 3 poster
Where to stream

Relentless 3

4.819931h 24mMovieActionThrillerHorror

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.

DirectorJames Lemmo
WriterJames Lemmo
ProducersPaul Hertzberg·Lisa M. Hansen

Where to watch

Not available in Australia
Streaming in 2 other countries

Relentless 3 isn't on any streaming service in Australia right now, but it's available in Canada, United States. Streaming rights are licensed per country.

Cast · Directed by James Lemmo

LRLeo Rossi
Leo Rossi
Sam Dietz
WFWilliam Forsythe
William Forsythe
Walter Hilderman
RCRobert Costanzo
Robert Costanzo
Roy Kalewsky
TBTom Bower
Tom Bower
Captain Phelan
SBSavannah Smith Boucher
Savannah Smith Boucher
Marianne
SEStacy Edwards
Stacy Edwards
Toni Keely
EWEdward Wiley
Edward Wiley
Lt. Muldowney
DR
Diane Rodriguez
Angry Woman
BR
Brendan Ryan
Corey
TW
T.C. Warner
Stormy (uncredited)
MS
Mindy Seeger
Francine
GTGeorge Tovar
George Tovar
Detective Santos

More from Leo Rossi · Lead actor

JAG
JAG
1995 · 7.3
Without a Trace
Without a Trace
2002 · 7.2
Murder, She Wrote
Murder, She Wrote
1984 · 7.5
ER
ER
1994 · 7.8
Hunter
Hunter
1984 · 7.1
Hill Street Blues
Hill Street Blues
1981 · 7.6
21 Jump Street
21 Jump Street
1987 · 7.3
Judging Amy
Judging Amy
1999 · 7.5
T. J. Hooker
T. J. Hooker
1982 · 6.5
Cagney & Lacey
Cagney & Lacey
1982 · 6.9
See all fromLeo Rossi

More from William Forsythe · Co-star actor

The Mentalist
The Mentalist
2008 · 8.4
CSI: Miami
CSI: Miami
2002 · 7.7
Hawaii Five-0
Hawaii Five-0
2010 · 7.7
Boardwalk Empire
Boardwalk Empire
2010 · 8.0
Entourage
Entourage
2004 · 7.4
Magnum P.I.
Magnum P.I.
2018 · 7.6
Las Vegas
Las Vegas
2003 · 7.0
Hill Street Blues
Hill Street Blues
1981 · 7.6
Marvel's Daredevil
Marvel's Daredevil
2015 · 8.2
Justified
Justified
2010 · 8.0
See all fromWilliam Forsythe

More from James Lemmo · Director

Tripwire
Tripwire
1989 · 6.0
Bodily Harm
Bodily Harm
1995 · 3.8
Dream a Little Dream 2
Dream a Little Dream 2
1995 · 5.0
Heart
Heart
1987 · 5.0
We're Talkin' Serious Money
We're Talkin' Serious Money
1992 · 5.7
See all fromJames Lemmo

More like this

Until Death
Until Death
2007 · 6.0
Maniac Cop 2
Maniac Cop 2
1990 · 5.9
In the Blood
In the Blood
2014 · 5.8
Frank and Penelope
Frank and Penelope
2022 · 7.4
Compulsion
Compulsion
2024 · 6.2
Murphy's Law
Murphy's Law
1986 · 6.1
War
War
2007 · 6.4
Wake of Death
Wake of Death
2004 · 6.1
Night Train
Night Train
2023 · 5.8
Rise of the Footsoldier
Rise of the Footsoldier
2007 · 6.3
Bloodline
Bloodline
2019 · 5.9
Daylight's End
Daylight's End
2016 · 5.8

Relentless 3 — streaming FAQ

Which OTT platform streams Relentless 3?

Relentless 3 isn't on any streaming service in Australia yet, but it's available in Canada and United States. Streaming rights differ by country — switch your country in the header to see where.

Is Relentless 3 on Netflix?

No, Relentless 3 is not on Netflix in Australia as of September 2026.

Is Relentless 3 on Amazon Prime Video?

No, Relentless 3 isn't on Amazon Prime Video in Australia right now.

Where can I watch Relentless 3 for free?

Relentless 3 isn't streaming in Australia yet, so there's no way to watch it free at the moment.

Is there a sequel to Relentless 3?

Yes — Relentless 3 is followed by Relentless IV: Ashes to Ashes (1994) in the Relentless Collection.

Is there a prequel to Relentless 3?

Yes — Dead On: Relentless II (1992) comes before Relentless 3 in the Relentless Collection.

Is Relentless 3 part of a trilogy?

No — Relentless 3 is part of the Relentless Collection, which has 4 films.

How many movies are in the Relentless Collection?

There are 4 films in the Relentless Collection: Relentless (1989), Dead On: Relentless II (1992), Relentless 3 (1993) and Relentless IV: Ashes to Ashes (1994).