George Zucco

From Wikipedia George Zucco (11 January 1886 – 27 May 1960) was an English character actor who appeared, almost always in supporting roles, in 96 films during a career spanning two decades, from 1931 to 1951. In his horror films, he often played a suave villain or a mad doctor.
Cast

House of Frankenstein
Prof. Bruno Lampini

Lured
H.R. Barrett

Midnight Manhunt
Jelke

The Mummy's Hand
Professor Andoheb

Scared to Death
Dr. Josef Van Ee

The Hunchback of Notre Dame
Procurator

The Roof
James Renton

Charlie Chan in Honolulu
Dr. Cardigan

A Woman's Face
Defense Attorney

Voodoo Man
Nicholas

Dead Men Walk
Lloyd Clayton / Elwyn Clayton

Fog Island
Leo Grainger

The Mummy's Tomb
Andoheb

The Mummy's Ghost
Andoheb, High Priest of Arkan

Who Killed Doc Robbin?
Doc Robbin

Return of the Ape Man
Ape Man

The Flying Serpent
Prof. Andrew Forbes

The Black Swan
Lord Denby

The Barkleys of Broadway
Judge

After the Thin Man
Dr. Adolph Kammer

Rosalie
General Maroff

Arrest Bulldog Drummond
Rolf Alferson

New Moon
Vicomte Ribaud

Sherlock Holmes in Washington
Heinrich Hinckel aka Richard Stanley

Moss Rose
Craxton

Madame Bovary
Dubocage

Saratoga
Dr. Bierd

The Adventures of Sherlock Holmes
Professor Moriarty

Where There's Life
Paul Stertorius

Dr. Renault's Secret
Dr. Robert Renault

Ellery Queen and the Murder Ring
Dr. Edwin L. Jannery

Tarzan and the Mermaids
Palanth, the High Priest

The Mad Ghoul
Dr. Alfred Morris

Shadows in the Night
Frank Swift

The Seventh Cross
Fahrenburg

Week-End at the Waldorf
Bey of Aribajan

The Black Raven
Amos Bradford

My Favorite Blonde
Dr. Hugo Streger

The Monster and the Girl
Dr. Parry

The Mad Monster
Lorenzo Cameron

Arsène Lupin Returns
Prefect of Police

Captain Fury
Arnold Trist

Dracula: A Cinematic Scrapbook
Dr. Joseph Van Ee (archive footage)

Half Way to Shanghai
Peter van Hoost

Sudan
Horadef

Holy Matrimony
Mr. Crepitude

Having Wonderful Crime
King aka The Great Movel

Harbor of Missing Men
H.G. Danziger

Dark Streets of Cairo
Abbadi

Secret Service Investigator
Otto Dagoff

The Magnificent Fraud
Dr. Luis Virgo

The Imperfect Lady
Mr. Mallam

Desire Me
Father Donnard

London by Night
Inspector Jefferson

Terror in the Pharaoh's Tomb
Dr. Moriarty (archive footage)

Parnell
Sir Charles Arthur Russell

Fast Company
Otto Brockler

Arise, My Love
Prison Governor

Let's Dance
Judge Mackenzie

Topper Returns
Dr. Jeris

Here I Am a Stranger
James K. Spaulding

Souls at Sea
Woodley

Suez
Prime Minister

Autumn Crocus
Revered Mayne

The First Legion
Father Robert Stuart

Vacation from Love
Dr. Waxton

The Horror of It All
Dr. Cameron (archive footage)

Hold That Blonde!
Dr. Pavel Storasky

Madame X
Dr. LaFarge

Captain from Castile
Marquis De Carvajal

Abdul the Damned
Officer of the Firing Squad

The Cat and the Canary
Lawyer Crosby

The Man from Toronto
Squire

The Lady Is Willing
Bailiff

The Midshipmaid
Lord Dore

The Good Companions
Fauntley

The Man Who Could Work Miracles
The Colonel's Butler
Road House
Hotel Manager

The Pirate
The Viceroy

Flame Of Stamboul
The Voice

Never a Dull Moment
Tony Rocco

International Lady
Webster

Confidential Agent
Detective Geddes

David and Bathsheba
Egyptian Ambassador (uncredited)
What’s in a Name?
Foot

It's a Bet
Convict
The Common Round
Dr. Pyke

Sinner Take All
Crowley Bascomb

What Happened Then?
Inspector Hull

Dreyfus
Jacques Marie Eugène Godefroy Cavaignac

The Bride Wore Red
Count Armalia

Watchtower Over Tomorrow
Security Council Chair

The Firefly
Secret Service Chief

Something Always Happens
Proprietor of the Maison de Paris

Lord Jeff
James 'Jim' Hampstead

Doom of Dracula
Prof. Lampini (archive footage)

The Secret Garden
Dr. Fortescue

Marie Antoinette
Governor of Conciergerie (uncredited)

Joan of Arc
Constable of Clervaux

There Goes the Bride
Prosecutor (uncredited)