WatchUp™
HomeDiscoverServicesTrailersWatchlist
Log in
The Substitute poster
The Substitute poster

The Substitute

That day, we crossed the line.

2026 1 SeasonSeries
CrimeMysteryDrama

A top high school student is blackmailed into taking a substitute college entrance exam, leading to a manipulation crime thriller.

Where to Watch

No US streaming subscription carries this title right now.

Episodes

Loading episodes…

최수

Creator, Writer

Park So-yeon

Director

Top Cast

Bae Hyeon-seong

Bae Hyeon-seong

Nam Jae-yeob · 10 eps

Cha Kang-yoon

Cha Kang-yoon

Kang Geon-tae · 10 eps

Park Yoon-ho

Park Yoon-ho

Joo Hee-dong · 10 eps

Uhm Ji-won

Uhm Ji-won

Shim Kyung-oh · 10 eps

Park Hyuk-kwon

Park Hyuk-kwon

Nam Dong-sik · 10 eps

Baek Ji-won

Baek Ji-won

Baek Seon-hee · 10 eps

Gu Do-hyung

Gu Do-hyung

Jin-hyuk · 10 eps

More Like This

Scream: The TV Series poster

Scream: The TV Series

Barnaby Jones poster

Barnaby Jones

Baretta poster

Baretta

Professor T poster

Professor T

Steal poster

Steal

Nancy Drew poster

Nancy Drew

Murder in a Small Town poster

Murder in a Small Town

Pretty Little Liars: The Perfectionists poster

Pretty Little Liars: The Perfectionists

Agatha Christie's Marple poster

Agatha Christie's Marple

Agatha Christie's Poirot poster

Agatha Christie's Poirot

Alfred Hitchcock Presents poster

Alfred Hitchcock Presents

Coroner poster

Coroner

Annika poster

Annika

Perry Mason poster

Perry Mason

Signora Volpe poster

Signora Volpe

The Inspector Lynley Mysteries poster

The Inspector Lynley Mysteries

Castle poster

Castle

Jack Irish poster

Jack Irish

Inspector George Gently poster

Inspector George Gently

Thorne poster

Thorne

HomeDiscoverServicesTrailersWatchlist