They Had to See Paris

(1929)

Prince Ordinsky

The Song of the Flame

(1930)

High Society Blues

(1930)

Count Prunier

Renegades

(1930)

Dmitri Vologuine

What a Widow!

(1930)

Baslikoff

Young as You Feel

(1931)

Pierre

Kept Husbands

(1931)

Mons. Prinz (uncredited)

Handy Andy

(1934)

Pierre Martel

British Agent

(1934)

Mr. Kolinoff

Charlie Chan at the Opera

(1936)

Enrico Borelli

Dodsworth

(1936)

Baron Kurt Von Obersdorf

Under Your Spell

(1936)

Count Raul Du Rienne

That Girl from Paris

(1936)

Paul Joseph DeVry (uncredited)

Hollywood Boulevard

(1936)

Russian Writer (uncredited)

Lancer Spy

(1937)

Capt. Freymann

First Lady

(1937)

Prince Boris Gregoravitch

Tovarich

(1937)

Count Frederic Brekenski

Prescription for Romance

(1937)

Dr. Paul Azarny

Mama Steps Out

(1937)

Dmitri

Wise Girl

(1937)

Prince Leopold

Breakdowns of 1938

(1938)

Prince Boris (archive footage) (uncredited)

Straight, Place and Show

(1938)

Vladimir Borokov - Russian Jockey

Bulldog Drummond's Peril

(1938)

Raoul

Love, Honor and Behave

(1938)

Count Humbert

Too Hot to Handle

(1938)

Popoff

Paris Honeymoon

(1939)

Count Georges De Remi

Ninotchka

(1939)

Count Alexis Rakonin

Hotel for Women

(1939)

Fernando Manfredi

On Your Toes

(1939)

Vassilly - Slave in Ballet

The Three Musketeers

(1939)

Vitray

Down Argentine Way

(1940)

Sebastian

They Dare Not Love

(1941)

Von Mueller

I Wake Up Screaming

(1941)

Headwaiter

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)

The Purple Heart

(1944)

Seven Doors to Death

(1944)

Henry Butler aka Gregor (as Gregory Gay)

The Tiger Woman

(1945)

Joe Sapphire (as Gregory Gay)

Paris Underground

(1945)

Tissier

I Love a Mystery

(1945)

Dr. Han (Uncredited)

Cornered

(1945)

Perchon, German Banker

A Song to Remember

(1945)

Young Russian (uncredited)

Passkey to Danger

(1946)

Mr. Warren

So Dark the Night

(1946)

The Trespasser

(1947)

Mr. E. Charles

The Corpse Came C.O.D.

(1947)

Director

The Bachelor and the Bobby-Soxer

(1947)

Maitre d'Hotel

Blackmail

(1947)

Jervis (as Gregory Gay)

Black Magic

(1949)

Chambord / Monk (as Gregory Gay)

Dancing in the Dark

(1949)

Headwaiter

Harbor of Missing Men

(1950)

Captain Koretsky (as Gregory Gay)

Flying Disc Man from Mars

(1950)

Mota

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

Flame of Calcutta

(1953)

Amir Khasid

Commando Cody: Sky Marshal of the Universe

(1953)

The Ruler

The Juggler

(1953)

Harry (uncredited)

Remains to Be Seen

(1953)

Headwaiter (uncredited)

Jungle Man-Eaters

(1954)

Leroux

With This Ring

(1954)

Charge of the Lancers

(1954)

Cpl. Bonikoff

King of the Carnival

(1955)

Zorn (as Gregory Gay)

Creature with the Atom Brain

(1955)

Dr. Wilhelm Steigg

The Eddy Duchin Story

(1956)

Philip

Bailout at 43,000

(1957)

Dr. Franz Gruener

Kelly and Me

(1957)

Milo

Auntie Mame

(1958)

Vladimir Klinkoff (uncredited)

Missile Monsters

(1958)

Mota

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