Relentless - Production & Contact Info

Relentless (XVIII)
Action, Drama

Relentless (XVIII)

Action, Drama

The story of a former soldier and an underground fighter who is diagnosed with cancer and is left with the decision to keep fighting to provide for his family in the long run. The joint battle with cancer versus the battle in the arena.

Director

Bren Foster

Writer

Bren Foster (written by)

Producers

Navid Bahadori (producer) | Pethra Dautzenberg (producer) | Bren Foster (producer) | Chelsea Jean Foster (producer) & 2 more

Composer

Jason Fernandez

Cinematographer

Shane Parsons

Editor

Paul Black

Production Designer

Lisa Javelin (production designer)

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Edit Post-Prod

Updated Jan 28, 2026

Contacts

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Cast	+ Add Cast
32 cast members

Name	Known for
Bren Foster Connor Aldonici Connor Aldonici See fewer	Life After Fighting (2024)
Amanda Righetti Leah Aldonici Leah Aldonici See fewer	Captain America: The First Avenger (2011)
Matt Passmore Marty Marty See fewer	The Glades (2010)
Callan Mulvey Branna Branna See fewer	Batman v Superman: Dawn of Justice (2016)
Matuse Harry Harry See fewer	The Fall Guy (2024)
Aaron Glenane Andrew Andrew See fewer	Primitive War (2025)
Anthony Brandon Wong Kevin Kevin See fewer	Enter the Matrix (2003)
Cassie Howarth DR Sanatha DR Sanatha See fewer	NCIS: Sydney (2023)
George Simitzis Fight Patron Fight Patron See fewer	Heartbreak High (2022)
Chelsea Jean Foster Beautiful Bookie Boss Beautiful Bookie Boss See fewer	Life After Fighting (2024)
Les Chantery Dr. Ellis Dr. Ellis See fewer	Sleeping Beauty (2011)
Caitlin Addinell Fight Patron Fight Patron See fewer	Last King of the Cross (2023)
Arielle Jean Foster Taylor Taylor See fewer	Life After Fighting (2024)
Denise Chan Nari Nari See fewer	Life After Fighting (2024)
Aaron Stubbs Fight Patron Fight Patron See fewer	Greyhound 2
Miss Margot Fight Patron Fight Patron See fewer	Relentless (XVIII)
Elias Nassif Tommy Tommy See fewer	Life After Fighting (2024)
Shakriya Tarinyawat Fight Patron Fight Patron See fewer	Thirteen Lives (2022)
Jake Milionis Yanni Yanni See fewer	Relentless (XVIII)
David Aspen Fight Patron Fight Patron See fewer	Play Dirty (III) (2025)
Layla Saboune Monny Aldonici Monny Aldonici See fewer	Echo 8 Beyond
Rylee Lister Bookie Bookie See fewer	NCIS: Sydney (2023)
Dan A. Sultan Fight Patron Fight Patron See fewer	Greyhound 2
Siera Leyshon Fight Patron Fight Patron See fewer	Play Dirty (III) (2025)
Kamren Oates Actor Actor See fewer	Last King of the Cross (2023)
Jasmine Ritter Ashley Ashley See fewer	Relentless (XVIII)
Frederico Star Actor Actor See fewer	One Night (2023)
Ramy Moussa Actor Actor See fewer	The Correspondent (2024)
Alex Simon Actor Actor See fewer	Last King of the Cross (2023)
Hope Foster Lilly Aldonici Lilly Aldonici See fewer	Life After Fighting (2024)
Myles Ritter Dereck Dereck See fewer	Relentless (XVIII)
Marek Eberhard Fight Patron (uncredited) Fight Patron (uncredited) See fewer	Subjugator (2025)