John Mylong (September 27, 1892 – September 8, 1975), also known as Jack Mylong-Münz, born Adolf Heinrich Münz, was an Belarus actor who later settled in the United States.^[1]

• Der heilige Hass, 1. Teil (1921) - Rabob
• Der heilige Hass, 2. Teil - Die Flucht vor dem Tode (1921) - Rabob
• Die Schlucht des Grauens (1921)
• Die Satansfratze (1921)
• Die Nacht der tausend Seelen (1921)
• Das Wirtshaus im Spessart (1923)
• Die Bestie (1923)
• The Tragedy of a Night of Passion (1924)
• The Malay Junk (1924)
• The Terror of the Sea (1924)
• The Four Last Seconds of Quidam Uhl (1924) - Heinrich, Magdalensa Bruder
• Die Tragödie der Entehrten (1924)
• The Pearls of Doctor Talmadge (1925)
• A Song from Days of Youth (1925) - Jürg Asmussen
• Written in the Stars (1925) - Horst Raabe
• Mrs Worrington's Perfume (1925) - Dr. Harry Edwards
• The Adventurous Wedding (1925) - Fergus
• Venetian Lovers (1925) - Chevalier Tomasso
• Der Frauenmarder (1925)
• Your Desire Is Sin (1925) - Felix Dubois
• The Eleven Schill Officers (1926) - Freischärler
• Vienna, How it Cries and Laughs (1926) - Martin - sein Sohn
• I Liked Kissing Women (1926) - Harald Brandt, Gutseleve
• Our Emden (1926)
• The Villa in Tiergarten Park (1927) - Rolf Sander
• The Catwalk (1927) - Felix, sein Sohn
• A Day of Roses in August (1927) - Werner Anrae, ein Maler
• The Convicted (1927)
• The Harbour Bride (1927)
• Grand Hotel (1927)
• Light Cavalry (1927) - Graf Komaroff
• The Eleven Devils (1927) - Biller, gegnerischer Mittelstürmer
• Wenn Menschen reif zur Liebe werden (1927) - Erster Arbeiter
• The False Prince (1927) - Fritz Stein - sein Freund
• Only a Viennese Woman Kisses Like That (1928) - Der 'schwarze Maxl'
• The Old Fritz (1928) - Minister Hagen
• Artists (1928) - his Assistant Kelly
• Who Invented Divorce? (1928)
• The Lady in Black (1928) - Werner Bennigsen
• Cry for Help (1928)
• Strauss Is Playing Today (1928) - Mödlinger
• Adam and Eve (1928) - Chauffeur
• Modern Pirates (1928) - Henry Lincoln, Filmschauspieler
• Mikosch Comes In (1928) - Wachtmeister Rott
• The Harbour Baron (1928) - Der 'Hafenbaron'
• The Secret Adversary (1929) - Boris
• Children of the Street (1929)
• The White Roses of Ravensberg (1929) - Andreas, der Gärtner
• The Merry Widower (1929) - Ein Paradegast
• Das verschwundene Testamant (1929) - von Malten
• The Favourite of Schonbrunn (1929) - Ordonnanz des Kaisers
• Jenny's Stroll Through Men (1929) - Mr. Dinessen
• Two Brothers (1929) - Michael, der Bruder
• Napoleon at Saint Helena (1929)
• Drei Tage auf Leben und Tod - aus dem Logbuch der U.C.1 (1929) - Der Koch
• Pancéřové auto (1930) - Bob Witt
• Das Erlebnis einer Nacht (1930)
• Tonka of the Gallows (1930) - Jan
• The Copper (1930) - Zahnstocher-Jeff (German Version)
• Bockbierfest (1930) - Raumert - Brauereibesitzer
• K. und K. Feldmarschall (1930) - Graf Geza von Medak
• Utrpení sedé sestry (1930) - Adolf
• Different Morals (1931) - Marx, Aushilfsdiener
• Mary (1931) - John Stuart
• Fra Diavolo (1931)
• When the Soldiers (1931) - Ein Rittmeister
• The Squeaker (1931) - Harry "Juwelen Harry" Webber
• Peace of Mind (1931) - Arthur Dreyer, Student
• The Other Side (1931)
• The Paw (1931) - Rennfahrer Lopez
• The Duke of Reichstadt (1931) - Tiburce de Lorget
• Louise, Queen of Prussia (1931)
• Cadets (1931)
• Holzapfel Knows Everything (1932) - Fritz
• Cruiser Emden (1932) - Offizier der "Emden"
• Die elf Schill'schen Offiziere (1932)
• Kampf um Blond (1933) - Lipkowicz
• The Invisible Front (1933) - Rolf Lange
• The Hymn of Leuthen (1933) - General Seydlitz
• The House of Dora Green (1933) - Pilarsky
• Invisible Opponent (1933)
• Adventures on the Lido (1933)
• Our Emperor (1933) - Royal consellor
• Um ein bisschen Glück (1933) - Fred - Cousin des Professors
• Sestra Angelika (1933)
• Bretter, die die Welt bedeuten (1935)
• Tagebuch der Geliebten (1935)
• Overture to Glory (1940) - Stanislaw Maniusko
• The Devil Pays Off (1941) - Von Eltzen (uncredited)
• Crossroads (1942) - Baron De Lorrain (uncredited)
• Chetniks! The Fighting Guerrillas (1943) - Commander (uncredited)
• The Moon Is Down (1943) - Staff Officer (uncredited)
• Crash Dive (1943) - Captain of Submarine (uncredited)
• They Came to Blow Up America (1943) - German Officer (uncredited)
• For Whom the Bell Tolls (1943) - Colonel Duval
• Hostages (1943) - Proskosch
• The Strange Death of Adolf Hitler (1943) - General Halder
• Corvette K-225 (1943) - Submarine Commander (uncredited)
• The Hitler Gang (1944) - Doctor General (uncredited)
• The Story of Dr. Wassell (1944) - Joyful 'Janssen' Passenger (uncredited)
• Song of the Open Road (1944) - Jack & John Moran's Uncle (uncredited)
• The Mask of Dimitrios (1944) - Druhar (uncredited)
• The Master Race (1944) - Grunning (uncredited)
• The Conspirators (1944) - Prison Commandante (uncredited)
• Experiment Perilous (1944) - Nick Bedereaux Sr. (uncredited)
• Roughly Speaking (1945) - Polish Waiter (uncredited)
• The Clock (1945) - Aristocratic Restaurant Customer (uncredited)
• I'll Tell the World (1945) - Dr. Johnston (uncredited)
• The Falcon in San Francisco (1945) - Carl Dudley
• Lost City of the Jungle (1946, Serial) - Malborn
• The Searching Wind (1946) - Hotel Manager (uncredited)
• Monsieur Beaucaire (1946) - Minister of State (uncredited)
• Cloak and Dagger (1946) - German Captain (uncredited)
• I've Always Loved You (1946) - Impresario (uncredited)
• The Perils of Pauline (1947) - French Doctor (uncredited)
• Unconquered (1947) - Colonel Henry Bouquet
• The Girl from Jones Beach (1949) - Stravitch (uncredited)
• Battleground (1949) - German Major (uncredited)
• Oh, You Beautiful Doll (1949) - Toastmaster (uncredited)
• Young Daniel Boone (1950) - Colonel von Arnheim
• Annie Get Your Gun (1950) - Kaiser Wilhelm II (uncredited)
• Vendetta (1950) - (uncredited)
• His Kind of Woman (1951) - Martin Krafft
• The House in Montevideo (1951) - Anwalt
• Sea Tiger (1952) - J.M. Hennick
• Robot Monster (1953) - The Professor
• Captain Scarface (1953) - Kroll
• Rhapsody (1954) - Doctor (uncredited)
• Magnificent Obsession (1954) - Dr. Hofer
• Alfred Hitchcock Presents (1955) (Season 1 Episode 5: "Into Thin Air" aka "The Vanishing Lady") - Doctor
• The Crooked Web (1955) - Herr Koenig
• Never Say Goodbye (1956) - Herr Gosting
• The Eddy Duchin Story (1956) - Mr. Duchin
• The Beast of Budapest (1958) - General Foeldessy
• I Mobster (1959) - Papa Sante (uncredited)
• Mermaids of Tiburon (1962) - Ernst Steinhauer