---
title: "SIGNAL: The Movie \u2013 Cold Case Investigation Unit"
year: 2021
canonical_url: "https://www.archytele.com/show/signal-the-movie-cold-case-investigation-unit-2021"
media_type: "movie"
tmdb_id: 768480
imdb_id: "tt13529316"
status: "Released"
runtime_minutes: 122
community_rating: 5.7
vote_count: 10
content_rating: "Unrated"
---

# SIGNAL: The Movie – Cold Case Investigation Unit (2021) — Television & Cinema Intelligence Dossier

> **Archytele Living Vault Canonical Record**: https://www.archytele.com/show/signal-the-movie-cold-case-investigation-unit-2021

## Executive Summary & Cultural Positioning

Topic: "SIGNAL: The Movie – Cold Case Investigation Unit" (2021).
Role: Meticulous television and film archivist.
Constraints:
ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
No invented titles, names, dates, counts, awards, ratings, numbers, or plot points.
No markdown, no asterisks, no headings, no bullet points.
Original, neutral, encyclopedic prose in plain text.
Word count: 150-190 words.
First sentence must not contain spoilers.
If a detail is not in the material, omit it.
Title: SIGNAL: The Movie – Cold Case Investigation Unit.
Year: 2021.
Context: Continues from the Japanese SIGNAL drama series.
Plot Point 1 (2021): A limousine taxi driver causes a highway accident resulting in the death of a high-level government official.
Characters (2021): Kento Saegusa and team leader Misaki Sakurai (part of the cold case investigation unit) have doubts about the case.
Plot Point 2 (2009): Administrative officers die consecutively in car accidents.
Police stance (2009): Deaths are announced as accidents.
Character (2009): Takeshi Ōyama believes the deaths were not simple accidents.
Plot Point 3: At 11:23 pm, a walkie-talkie turns on and connects the future and the past.
*Draft

## The Hook & The Verdict

## Streaming Availability Matrix

| Region | Stream (Subscription) | Free / Ads | Rent / Buy |
| :--- | :--- | :--- | :--- |
| **United States (US)** | Amazon Prime Video, Amazon Prime Video with Ads, Shout! Factory Amazon Channel | The Roku Channel, YouTube Free, Amazon Prime Video Free with Ads, Tubi TV, Amazon MX Player | Amazon Video, Apple TV Store, Google Play Movies |
| **Canada (CA)** | None | Tubi TV | Apple TV Store, YouTube |

## Creative Credits

- **Directed by**: Hajime Hashimoto
- **Networks / Studios**: TOHO, Tristone Pictures, Kansai Television

## Key Cast Continuity

- **Kentaro Sakaguchi** as *Kento Saegusa*
- **Kazuki Kitamura** as *Takeshi Ōyama*
- **Michiko Kichise** as *Misaki Sakurai*
- **Yuichi Kimura** as *Tsutomu Yamada*
- **Tetsuhiro Ikeda** as *Shinya Kojima*
- **Kaede Aono** as *Rika Anzai*
- **Tsuyoshi Ihara** as *Junki Aoki*
- **Tetsushi Tanaka** as *Satoshi Yamasaki*
- **Tetta Sugimoto** as *Munehisa Mitani*
- **Takeshi Kaga** as *Shinjiro Itagaki*

## Canonical Frequently Asked Questions

### Q: Where can I stream or watch SIGNAL: The Movie – Cold Case Investigation Unit online?
SIGNAL: The Movie – Cold Case Investigation Unit is currently available to watch or stream on Amazon Prime Video, Amazon Prime Video with Ads, Shout! Factory Amazon Channel, Amazon Video. Check our live regional availability tracker above for latest direct streaming, subscription, rent, or purchase options.

### Q: Is SIGNAL: The Movie – Cold Case Investigation Unit worth watching?
SIGNAL: The Movie – Cold Case Investigation Unit holds a community rating of 5.7/10 based on 10 verified viewer ratings. It offers engaging Mystery, Crime for fans of the genre.

### Q: How long is the movie SIGNAL: The Movie – Cold Case Investigation Unit and when was it released?
SIGNAL: The Movie – Cold Case Investigation Unit is a feature film with a runtime of 122 minutes. It was released in 2021. Release status: Released.

### Q: Who directed SIGNAL: The Movie – Cold Case Investigation Unit?
SIGNAL: The Movie – Cold Case Investigation Unit was directed by Hajime Hashimoto.

## Grounded Source Citations

- [SIGNAL: The Movie – Cold Case Investigation Unit — The Movie Database (TMDB)](https://www.themoviedb.org/movie/768480)

---
*Generated by Archytele Open Intelligence Systems. Data verified against TMDB and JustWatch APIs.*