Back to the Past
尋秦記
“To save tomorrow, they must survive yesterday.”
Synopsis
In the Qin Dynasty, time-traveller Hong Siu-lung has lived in seclusion with his family for twenty years. Yet every step he takes remains under the watchful eye of his former disciple, now the Qin Emperor. On the brink of ultimate power after conquering the six warring states, the emperor is suddenly ambushed by a mysterious team wielding advanced weapons clearly originating from Hong’s time. Drawn together by fate again, Hong and Qin Emperor are forced to confront the long-buried conflict between them, because the future now depends on how they settle their past.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
Trailer (UK, Ireland & Netherlands) [Subtitled]Official
Type: Trailer • Published 2025-12-16
Top Cast
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Louis Koo
Hong Siu-lung
Raymond Lam Fung
Chiu Poon / Majesty
Bai Baihe
Galie
Jessica Hsuan Huen
Wu Ting-fong
Sonija Kwok Sin-Nae
Kam Ching
Joyce Tang Lai-Ming
Sin-yau
Michael Miu Kiu-Wai
Ken
Louis Cheung
Stone
Kevin Chu Kam-Yin
Bowie
Wu Yue
Max
Timmy Hung Tin-Ming
Phill
Chris Collins
Tim
Liu Kai-Chi
Dr. Wu
John Tang Yat-Kwan
Mr. Lee
Michelle Saram
Maggie
Jimmy Au Shui-Wai
Steward To
Wong Man-Biu
Tang Yik
Power Chan Kwok-Pong
Chancellor Li
Release History & Theatrical Window
January 30, 2026
Wide Cinema Exhibition
Financials & Box Office Performance
Production Budget
$45M
Filming & production cost
Worldwide Gross
$38.9M
Total global ticket sales
Box Office Return
0.87x
-$6.1M deficit
Theatrical Status
Budget Return
Box office tier
Key Information & Fast Facts
- Director
- Ng Yuen-Fai, Jack Lai Jan-Lung
- Screenplay & Story
- Lily He
- Original Score
- Comfort Chan
- Original Title
- 尋秦記
- Country of Origin
- Hong Kong, China
- Spoken Languages
- Cantonese
- Runtime
- 1h 47m
- Production Budget
- $45M
- Worldwide Gross
- $38.9M
- Production Studios
- One Cool Films, Huace Media, China Star Movie Limited, Big Honor Entertainment
Creative Leadership & Key Crew
Ng Yuen-Fai, Jack Lai Jan-Lung
Lily He
Comfort Chan
Kenny Tse
Wong Hoi, Kenny Lok
Louis Koo, Tang Wai-But, Charles Heung, Astrid Chan Chi-Ching
Department Leadership Roster
Ng Yuen-Fai
Director
Jack Lai Jan-Lung
Director
Tang Wai-But
Producer
Lily He
Writer
Kenny Tse
Director of Photography
Wong Hoi
Editor
Comfort Chan
Original Music Composer
Charles Heung
Producer
Astrid Chan Chi-Ching
Producer
Kenny Lok
Editor
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
International Certification Matrix
Parental Guidance Suggested.
Violence
Suitable only for 15 years and over.
Production Stills & Gallery
Official cinematic photography and background stills for Back to the Past.
Featured In Curated Collections
Editorial lists, community rankings, and cinematic collections featuring Back to the Past.
Time & Reality - Discover
Abstrusest 2
Time Travel
Hong Kong Cinema
Hong Kong films (Chinese-language, country=HK) enumerated from Wikidata, verified against TMDb. Excludes Western co-productions.
Time Travel
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Frequently Asked Questions About Back to the Past
Quick factual answers about cast, synopsis, director, box office, and release information.
What is Back to the Past about?
In the Qin Dynasty, time-traveller Hong Siu-lung has lived in seclusion with his family for twenty years. Yet every step he takes remains under the watchful eye of his former disciple, now the Qin Emperor. On the brink of ultimate power after conquering the six warring states, the emperor is suddenly ambushed by a mysterious team wielding advanced weapons clearly originating from Hong’s time. Drawn together by fate again, Hong and Qin Emperor are forced to confront the long-buried conflict between them, because the future now depends on how they settle their past.
Who directed Back to the Past?
Back to the Past was directed by Ng Yuen-Fai, Jack Lai Jan-Lung.
Who stars in Back to the Past?
The principal cast of Back to the Past includes Louis Koo, Raymond Lam Fung, Bai Baihe, Jessica Hsuan Huen, Sonija Kwok Sin-Nae.
When was Back to the Past released and how long is it?
Back to the Past was released in 2025 with a total runtime of 1h 47m.
What was the box office and production budget of Back to the Past?
Back to the Past had a reported production budget of $45M and grossed $38.9M at the worldwide box office (0.87 return on budget, classified as a underperformed).
Who composed the musical score for Back to the Past?
The original motion picture soundtrack for Back to the Past was composed by Comfort Chan.
What is the age rating and content advisory for Back to the Past?
Back to the Past holds official age classifications: CA: PG (Parental Guidance Suggested.); GB: 15 (Suitable only for 15 years and over.).