This Man Is Dangerous_
Action and excitement beckon as popular sleuth Mick Cardby goes on the trail of a missing girl, and finds himself in the clutches of a gang of blackmailers.
Starring
James Mason, Mary Clare, Margaret Vyner
Updated Feb 16, 2026
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Year context
This Man Is Dangerous was released 85 years ago in 1941.
Overview
Action and excitement beckon as popular sleuth Mick Cardby goes on the trail of a missing girl, and finds himself in the clutches of a gang of blackmailers.
This Man Is Dangerous is a Thriller, Mystery film with a runtime of 1h 13m.
CAST (13)
James Mason
Mick Cardby
Mary Clare
Matron
Margaret Vyner
Mollie Bennett
Gordon McLeod
Insepctor Cardby
Frederick Valk
Dr. Moger
Barbara Everest
Mrs. Cardby
BJ
Barbara James
Lena Morne
G.H. Mulcaster
Lord Morne
EC
Eric Clavering
Al
TC
Terry Conlin
Detective Sergeant Trotter
W.G. Fay
Mr. Eslick
Brefni O'Rorke
Dr. Crosbie
Michael Rennie
Inspector
DETAILS
FREQUENTLY ASKED QUESTIONS
What is This Man Is Dangerous about?
Action and excitement beckon as popular sleuth Mick Cardby goes on the trail of a missing girl, and finds himself in the clutches of a gang of blackmailers.
How long is This Man Is Dangerous?
This Man Is Dangerous has a runtime of 73 minutes (1h 13m).
Who stars in This Man Is Dangerous?
The cast of This Man Is Dangerous includes James Mason, Mary Clare, Margaret Vyner, Gordon McLeod, Frederick Valk.
GENRES (2)
Thriller
Mystery
