They Had to See Paris

(1929)

Prince Ordinsky

Renegades

(1930)

Dmitri Vologuine

The Song of the Flame

(1930)

High Society Blues

(1930)

Count Prunier

What a Widow!

(1930)

Baslikoff

Kept Husbands

(1931)

Mons. Prinz (uncredited)

Young as You Feel

(1931)

Pierre

Handy Andy

(1934)

Pierre Martel

British Agent

(1934)

Mr. Kolinoff

Dodsworth

(1936)

Baron Kurt Von Obersdorf

Charlie Chan at the Opera

(1936)

Enrico Borelli

Hollywood Boulevard

(1936)

Russian Writer (uncredited)

That Girl from Paris

(1936)

Paul Joseph DeVry (uncredited)

Under Your Spell

(1936)

Count Raul Du Rienne

Tovarich

(1937)

Count Frederic Brekenski

Lancer Spy

(1937)

Capt. Freymann

Wise Girl

(1937)

Prince Leopold

Mama Steps Out

(1937)

Dmitri

Prescription for Romance

(1937)

Dr. Paul Azarny

First Lady

(1937)

Prince Boris Gregoravitch

Love, Honor and Behave

(1938)

Count Humbert

Too Hot to Handle

(1938)

Popoff

Straight, Place and Show

(1938)

Vladimir Borokov - Russian Jockey

Breakdowns of 1938

(1938)

Prince Boris (archive footage) (uncredited)

Bulldog Drummond's Peril

(1938)

Raoul

Paris Honeymoon

(1939)

Count Georges De Remi

The Three Musketeers

(1939)

Vitray

On Your Toes

(1939)

Vassilly - Slave in Ballet

Hotel for Women

(1939)

Fernando Manfredi

Ninotchka

(1939)

Count Alexis Rakonin

Down Argentine Way

(1940)

Sebastian

I Wake Up Screaming

(1941)

Headwaiter

They Dare Not Love

(1941)

Von Mueller

The Secret Code

(1942)

Nazi Agent Feldon

Fall In

(1942)

Karl, Nazi Wiretapper

Casablanca

(1943)

German Banker Refused by Rick (uncredited)

One Dangerous Night

(1943)

Dr. Eric Budenny (as Gregory Gay)

Seven Doors to Death

(1944)

Henry Butler aka Gregor (as Gregory Gay)

The Purple Heart

(1944)

Cornered

(1945)

Perchon, German Banker

The Tiger Woman

(1945)

Joe Sapphire (as Gregory Gay)

Paris Underground

(1945)

Tissier

A Song to Remember

(1945)

Young Russian (uncredited)

I Love a Mystery

(1945)

Dr. Han (Uncredited)

Passkey to Danger

(1946)

Mr. Warren

So Dark the Night

(1946)

The Bachelor and the Bobby-Soxer

(1947)

Maitre d'Hotel

Blackmail

(1947)

Jervis (as Gregory Gay)

The Trespasser

(1947)

Mr. E. Charles

The Corpse Came C.O.D.

(1947)

Director

Black Magic

(1949)

Chambord / Monk (as Gregory Gay)

Dancing in the Dark

(1949)

Headwaiter

Flying Disc Man from Mars

(1950)

Mota

Harbor of Missing Men

(1950)

Captain Koretsky (as Gregory Gay)

The Magic Carpet

(1951)

Caliph Ali

The Whip Hand

(1951)

Sweitart (uncredited)

Peking Express

(1951)

Stanislaus

Bal Tabarin

(1952)

Jean Dufar

Savage Mutiny

(1953)

Carl Kroman

Remains to Be Seen

(1953)

Headwaiter (uncredited)

The Juggler

(1953)

Harry (uncredited)

Commando Cody: Sky Marshal of the Universe

(1953)

The Ruler

Flame of Calcutta

(1953)

Amir Khasid

Jungle Man-Eaters

(1954)

Leroux

Charge of the Lancers

(1954)

Cpl. Bonikoff

With This Ring

(1954)

Creature with the Atom Brain

(1955)

Dr. Wilhelm Steigg

King of the Carnival

(1955)

Zorn (as Gregory Gay)

The Eddy Duchin Story

(1956)

Philip

Kelly and Me

(1957)

Milo

Bailout at 43,000

(1957)

Dr. Franz Gruener

Missile Monsters

(1958)

Mota

Auntie Mame

(1958)

Vladimir Klinkoff (uncredited)

Ocean's Eleven

(1960)

Freeman (Casino Owner) (uncredited)

Blue Hawaii

(1961)

Paul Duval (uncredited)

Hitler

(1962)

Field Marshal Erwin Rommel

Batman

(1966)

Soviet Delegate (uncredited)

Dick Tracy - The Plot To Kill NATO

(1967)

Markov

The File on Devlin

(1969)

The Soviet Ambassador

Topaz

(1969)

Meeting Co-Ordinator (uncredited)

The President's Mistress

(1978)

Josef

Keefer

(1978)

Priest

Meteor

(1979)

Russian Premier