Dynamic Watchlist Hub: Apr 19, 2026

10 Best Movies Like The Crimson Key

If you loved The Crimson Key, we've curated the perfect watchlist for you based on shared genres, themes, and directorial style.

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Expert Review & Ratings

See our full critical analysis and audience score for The Crimson Key.

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#1
Conflict

Conflict

1945★ 6.6

Why watch this? A perfect follow-up to The Crimson Key for fans of Thriller. It captures a similar compelling atmosphere.

Unhappily married Richard Mason concocts a meticulous scheme to kill his shrewish wife so that he'll be free to marry her sister....

#2
The Blue Gardenia

The Blue Gardenia

1953★ 6.5

Why watch this? A perfect follow-up to The Crimson Key for fans of Mystery. It captures a similar compelling atmosphere.

Upon waking up to the news that the man she’d gone on a date with the previous night has been murdered, a young woman with only a faint memory of the night’s events begins to suspe...

#3
The Mirror Crack'd

The Mirror Crack'd

1980★ 6.1

Why watch this? A perfect follow-up to The Crimson Key for fans of Mystery & Thriller. It captures a similar compelling atmosphere.

Jane Marple solves the mystery when a local woman is poisoned and a visiting movie star seems to have been the intended victim....

#4
The Glass Key

The Glass Key

1942★ 6.6

Why watch this? A perfect follow-up to The Crimson Key for fans of Mystery & Thriller. It captures a similar compelling atmosphere.

A crooked politician finds himself being accused of murder by a gangster from whom he refused help during a re-election campaign....

#5
Black Angel

Black Angel

1946★ 6.0

Why watch this? A perfect follow-up to The Crimson Key for fans of Mystery & Thriller. It captures a similar compelling atmosphere.

A falsely convicted man's wife, Catherine, and an alcoholic composer and pianist, Martin, team up in an attempt to clear her husband of the murder of a blonde singer, who is Martin...

#6
Black Widow

Black Widow

1987★ 6.2

Why watch this? A perfect follow-up to The Crimson Key for fans of Thriller. It captures a similar compelling atmosphere.

Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a ma...

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