Before I Hang backdrop

CRIME . 1940 . 1h 2m . 6.2/10

Before I Hang_

"Beware! When Karloff stops the clock, your hour has come!"

Dr. John Garth conducting an innovative medical experiment aimed at prolonging life and combating aging. The experiment takes an unexpected turn, placing the doctor in a confrontation with the ethics of his work and the consequences of his research.

Starring Boris Karloff, Evelyn Keyes, Bruce Bennett

6.2/10

Rating

1h 2m

Runtime

1940

Year

Updated Feb 16, 2026

Before I Hang poster

Beware! When Karloff stops the clock, your hour has come!

Dr. John Garth conducting an innovative medical experiment aimed at prolonging life and combating aging. The experiment takes an unexpected turn, placing the doctor in a confrontation with the ethics of his work and the consequences of his research.

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DROPTHE_ GOSSIP

Cast

Boris Karloff stars as Dr. John Garth in Before I Hang.

Boris Karloff →

Year context

Before I Hang was released 86 years ago in 1940.

Overview

Dr. John Garth conducting an innovative medical experiment aimed at prolonging life and combating aging. The experiment takes an unexpected turn, placing the...

Before I Hang is a Crime, Horror, Science Fiction film with a runtime of 1h 2m.

CAST (20)

Boris Karloff

Evelyn Keyes

Bruce Bennett

Bruce Bennett

Dr. Paul Ames

Don Beddoe

Edward Van Sloan

Edward Van Sloan

Dr. Ralph Howard

Ben Taggart

Warden Thompson

Pedro de Cordoba

Pedro de Cordoba

WK

Wright Kramer

George Wharton

Bertram Marburgh

Bertram Marburgh

Stephen Barclay

Robert Fiske

District Attorney

Frank Richards

Otto Kron - Convict

Kenneth MacDonald

Kenneth MacDonald

Anson, Prison Guard

Ernie Adams

Sam - Hospital Prison Orderly

Frederick Burton

Frederick Burton

Governor Prentiss

Edward Earle

Richard Fiske

Richard Fiske

Mandish

George McKay

George McKay

Reardon

John Tyrrell

Jack Cheatham

Patrolman Olson

Charles Trowbridge

Charles Trowbridge

DETAILS

Release

September 17, 1940

Status

Released

Runtime

62 min (1h 2m)

Country

United States

Rating

6.2/10 (35 votes)

FREQUENTLY ASKED QUESTIONS

What is Before I Hang about?

Dr. John Garth conducting an innovative medical experiment aimed at prolonging life and combating aging. The experiment takes an unexpected turn, placing the doctor in a confrontation with the ethics of his work and the consequences of his research.

How long is Before I Hang?

Before I Hang has a runtime of 62 minutes (1h 2m).

Who stars in Before I Hang?

The cast of Before I Hang includes Boris Karloff, Evelyn Keyes, Bruce Bennett, Don Beddoe, Edward Van Sloan.

What is the rating of Before I Hang?

Before I Hang has a rating of 6.2 out of 10 based on 35 votes on TMDB.

GENRES (3)

Crime Horror Science Fiction