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A taut, psychological puzzle.”  Kirkus Reviews

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THE LIGHT RUNNER​

Two realities. One deadly truth. 

Dr. Ella Kramer has started a new life and dedicated herself to understanding the fragile architecture of the human mind. At Bainbridge Psychiatric Hospital, she moves through locked corridors with practiced calm, guiding patients through the shadows of their own fractured lives. But when a decorated war hero, Captain Oliver Haskell is admitted after the brutal murder of his wife, the quiet order of Ella’s world begins to shift. 

She begins seeing a patient that no one seems to know; memories of another time relentlessly haunt her; and patients desperately try to warn her of what is really going on. But the deeper Ella searches for answers, the more the boundaries of her own reality begins to blur, until her colleagues insist - she’s unraveling. Yet somewhere within Bainbridge’s locked ward, a truth waits—deliberate, and devastating. And Ella realizes that to uncover what happened on the night of the murder, she must confront the possibility that the greatest mystery is the one surrounding herself.

A haunting, mind-bending psychological thriller about identity, humanity and the stories we cling to when the world begins to slip away.
 

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A Word from Ally

Prologue

Try as you might...you can't outrun your destiny.

One-Seven had never ventured out of the building this far, and he was becoming increasingly worried that the man-with-the kind-eyes, who had woken him up from a deep sleep, was doing something that wasn’t exactly OK. So, his body did what it always did when he was nervous and froze up. He snuck a look up at the man-with-the-kind-eyes again, trying to understand why he kept muttering to himself, and why he seemed so frantic. Usually, he just held One Seven and gave him treats. And that was great. But today was different. He sure hoped the man knew what he was doing, because now he was making One-Seven sort of scared. Very scared. The man had visited One-Seven and his relatives with that other man, and One Seven had grown somewhat fond of him. Mainly because he brought treats, but also cuz he was gentle. Very gentle. But he didn’t like that other man. He was cold. Like most of the humans he had known. But the man-with-the-kind-eyes seemed to want to be his friend, so One-Seven sorta looked forward to his visits. But today was different. The man-with-the-kind-eyes seemed very different. He was running now, and it suddenly got a lot darker. Of course, One-Seven could see just fine. Probably a lot better than the man could. And once again, he sure hoped that the man-with-the-kind-eyes knew what he was doing. But suddenly, the man stopped and gasped. He didn’t move a muscle for a long time. So, One-Seven, who’d remained frozen for what seemed like an eternity, looked up at him and followed his gaze. One-Seven wasn’t sure, but he thought he saw something running out of the corner of his eye, but it was the human lying there sleeping that caught his attention. Apparently, the man-with-the-kind-eyes didn’t like this one bit, cuz he went to the human sleeping, and he began to cry and mutter even louder. And One-Seven didn’t know what he was saying, but he could tell it had nothing to do with treats. And now something smelled funny. When One-Seven looked closer, he noticed that there was a lot of black stuff coming out of the human sleeping on the ground. He had smelled this black stuff before and seen it a few times when humans hurt one of them. One-Seven knew the black stuff was a bad sign, and he decided that the time to move was now. So, when the man-with-the-kind-eyes touched the human on the ground, he saw his chance and took it. He pushed off with his strong hind legs and virtually flew out of the man’s hands. Wow!” he thought as he sprang toward freedom. This feels fantastic! And he never looked back. He set off toward green bushes that didn’t look green. Toward a place they couldn’t catch him. Toward a new life. He set off…Toward the light.

A compelling read. The fascinating prologue immediately hooks you... This is a masterful weaving of past and present, where every carefully placed sentence feels like a vital clue in a gripping murder mystery.

Tim DeKay

Actor

Oppenheimer, White Collar

"....this novel's debut knocked my socks off. The Light Runner is propulsive, thoughtful, incisive - the kind of thriller that stands out in a crowded field. It pinned my attention from the first page and held it deftly through the riveting ending that I truly did not see coming.

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Sarah Wayne Callies

Actress

The Walking Dead

"Ally Walker has crafted a fantastical page turner. A thriller that bridges two worlds and begs the question - how will you fight to keep your humanity? 

Christine Lahti

Actress

Chicago Hope

"Grab a drink of your choice and get ready for a novel that feels like cinema! Vivid imagery, pacing, and character development, true cinematic storytelling… a great actress now a great author!!!" 

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Robert Davi

Actor

Profiler, Die Hard

About

About Ally

Ally Walker is an actress, filmmaker, and debut novelist whose career spans over three decades in television and film. She is best known for her roles in Profiler, Universal Soldier, While You Were Sleeping, and Sons of Anarchy. Her bestselling debut psychological thriller, The Light Runner, showcases her gift for emotional storytelling and cinematic suspense—evoking the psychological tension of Gone Girl and The Sixth Sense, with echoes of Shutter Island and Inception.
Walker also directed Far More, which won Best Screenplay at the Milan International Film Festival, and produced the award-winning documentary For Norman... Wherever You Are, highlighting LA County’s foster care system.
A graduate of UC Santa Cruz with a BA in biology, she lives in Los Angeles with her husband, three sons, and a bulldog.


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In the Press

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Ally Walker on House of Mystery Radio

House of Mystery Radio Show

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THE LIGHT RUNNER - BOOK 1 OF THE REALITIES SERIES

A tense, slowly unwinding tale with well-developed characters.

Kirkus Reviews

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Jimmy Fallon Announces Exciting News for Fans of This ‘Tonight Show’ Tradition

Jimmy Fallon is reviving his beloved book club, and you can help pick the next read.

Liz Lindain

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Live from the Bunker: Ally Walker talks THE LIGHT RUNNER

You probably know Ally Walker the actress. She starred in PROFILER, SONS OF ANARCHY, and LONGMIRE, to name a few. She's been in movies such as UNIVERSAL SOLDIER and WHILE YOU WERE SLEEPING.
Well, while you were going about your business, she's been writing, and her first novel is out now: THE LIGHT RUNNER, the first of a trilogy. It's a metaphysical thriller set at the Bainbridge Psychiatric Hospital, where all of the patients seem to be connected to a murder...

SciFi4Me TV

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Actress-turned-author Ally Walker on her debut novel, “The Light Runner.”

California Live’s Jessica Vilchis sits down with “Profiler” and “Sons of Anarchy” star, Ally Walker, to talk about her new book “The Light Runner,” a sci-fi thriller that’s been ten years in the making!

Jessica Vilchis

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Ally Walker explains why she wanted to write her debut novel 'The Light Runner'

"The Light Runner" is available to purchase now. This segment aired on the KTLA 5 Morning News on July 8, 2025.

Entertainment

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This Isn't Your Normal Thriller

The Light Runner from Actor, Author, and Director Ally Walker - Podacast

Arroe Collins Like It's Live

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Ally Walker Takes a Bold Leap Into Fiction with "The Light Runner" - a Mind Blowing Thriller!

Jason Price, Founder of the Icon vs Icon interview with Ally Walker.

Jason Price

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Actress Turned Author Ally Walker Shares "The Light Runner"

It's an edge-of-your-seat metaphysical thriller that will mesmerize and haunt you from the first page to its shocking end! Ally Walker joined us to share her debut novel--"The Light Runner"--which is the first installment in her planned The Realities Series trilogy.

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Ally Walker talks about her new book ‘The Light Runner’

Actress, filmmaker, and screenwriter Ally Walker chatted about her new book “The Light Runner.”

Markos Papadatos

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The Light Runner on Good Morning America

The actress first started writing over 10 years ago and can now add “author” to her resume with the debut of her novel, “The Light Runner.”

Good Morning America

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Actress Ally Walker Announces Debut Novel The Light Runner — See the Cover! (Exclusive)

The 'Universal Soldier' star has been secretly working on her thriller for more than a decade

Rachel McRady

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