Charles S. Belden
Charles Spencer Belden (April 21, 1904 – November 3, 1954) was an American screenwriter and journalist, known for writing screenplays to several Charlie Chan films in the 1930s, notably Charlie Chan at the Opera (1936). His 1932 short story "The Wax Works" served as the basis for the 1933 film Mystery of the Wax Museum. He was married to stage actress Beth Milton in the early 1930s and to actress Joan Marsh who had starred in Charlie Chan on Broadway (1937), from 1938 to 1943. He was born in Montclair, New Jersey, and died in the Motion Picture Country Hospital, Los Angeles, at the age of 50. Description above from the Wikipedia article Charles S. Belden licensed under CC-BY-SA, full list of contributors on Wikipedia.
Crew

Charlie Chan at the Opera
Writer

Charlie Chan in Honolulu
Screenplay

Double Deal
Screenplay

The Strange Mr. Gregory
Screenplay

Million Dollar Weekend
Writer

Charlie Chan at Monte Carlo
Writer, Screenplay

House of Wax
Story

Mr. Moto's Gamble
Writer

A Fool's Advice
Screenplay

Torchy Blane... Playing with Dynamite
Screenplay

April in Portugal
Writer

South of Monterey
Writer

Bullet Scars
Writer

We Have Our Moments
Story

The Ghost Walks
Screenplay

Fifteen Wives
Screenplay, Story

Fugitive Road
Screenplay

Port of Lost Dreams
Writer

Sons of Steel
Writer, Story

Symphony of Living
Writer, Story

A Shot in the Dark
Screenplay, Adaptation

God's Country and the Woman
Story

Kid Nightingale
Screenplay

Mystery of the Wax Museum
Story

On Dress Parade
Writer

Borrowed Trouble
Screenplay

The Marauders
Screenplay

Beauty and the Bandit
Screenplay

The Gay Cavalier
Story, Screenplay

Silent Conflict
Screenplay

Dracula's Daughter
Writers' Assistant

Tear Gas Squad
Screenplay

The Murder of Dr. Harrigan
Dialogue

The World Accuses
Writer

The Widow from Monte Carlo
Writer

House of Wax
Original Film Writer