We dont have a biography for Gustav Knuth
TBAAugenzwinkernd durchs Leben – Gustav Knuth as Self (archive footage)
2012Sisi... und ich erzähle euch die Wahrheit as Herzog Max in Bayern (archive footage)
1983So oder so ist das Leben: Vier Begegnungen in einer Großstadt as Unknown
1981O du fröhliche – Besinnliche Weihnachtsgeschichten as Unknown
1981Bockerer as Herr Knabe
1981Der Schützling as Unknown
1980Leute wie du und ich (1 Episode) as Herr Esche
1980Die Alten kommen as Unknown
1979Der eiserne Gustav (7 Episodes) as Gustav Hackendahl
1979Wo die Liebe hinfällt as Unknown
1978Kleine Geschichten mit großen Tieren as Pförtner
1977Polizeiinspektion 1 (1 Episode) as Ilonas Opa
1977Gaslicht as Rough
1977Schwindelig vor Geld und Liebe as Robert Swingle / Dr. Richard Swingle / Paul
1976Music & Guests (1 Episode) as Self
1975Treffpunkt Herz as Gast
1975Damals wie heute as Herr Quisenow
1974Die Powenzbande (5 Episodes) as Baltus Powenz
1974Die Montagsmaler (1 Episode) as Self
1973Hallo – Hotel Sacher … Portier! (1, 1 Episode) as Direktor Alfred Hafner, Direktor Otto Hafner
1972Eine Frau bleibt eine Frau (1 Episode) as Eberhard Müller
1972The Illegal (3 Episodes) as General Alexander Korotkow
1972Kleinstadtbahnhof (26 Episodes) as Gustav Henning
1971Die heilige Johanna as Robert de Baudricourt
1971Anneliese Rothenberger gibt sich die Ehre (1 Episode) as Self
1971Professor Sound und die Pille as Aufofahrer
1970Drüben bei Lehmanns (26 Episodes) as Kurt Lehmann
1970Die Herberge as Berullis
1969The Journey to Tilsit as Jakstat
1969Pepe, der Paukerschreck as Kurt Nietnagel
1969Charleys Onkel as Reginald Tressblekken
1969The Brazen Women of Balzac as Bürgermeister
1969Salto Mortale (18 Episodes) as Carlo Doria
1968Der Meteor as Muheim
1967Kabale und Liebe as Stadtmusikant Miller
1967Großer Mann, was nun? (8 Episodes) as Heinrich König
1966Onkel Filser - Allerneueste Lausbubengeschichten as Gustav Schultheiss
1966Congress of Love as Stefans Vater
1966Großer Ring mit Außenschleife as Franz Lehmhuhn
1965Tante Frieda - Neue Lausbubengeschichten as Gustav Schultheiss
1965Das Leben des Horace A.W. Tabor - Ein Stück aus den Tagen der letzten Könige as Horace A.W. Tabor
1965Heidi as Alp Oehi
1965Shots in 3/4 Time as Igor
1964Legend of a Gunfighter as Richard Bradley
1964Die Physiker as Herbert Georg Beutler / Isaac Newton
1964Jetzt dreht die Welt sich nur um dich as Holger Andreesen
1964I Learned It from Father as Theaterdirektor Löwe
1964Die Drehscheibe (1 Episode) as Self
1964Ein Volksfeind as Dr. Thomas Stockmann
1964Rote Lippen soll man küssen as John P. Hoover
1963Meine Tochter und ich as Dr. Walther
1963Nylon Noose as Charles Clifton
1963Eine schöne Bescherung as Jules
1963Blick zurück im Film (1 Episode) as Self
1963Der Sport-Spiegel (1 Episode) as Self
1963Der Privatsekretär as Sir Claude Mulhammer
1962Alle meine Tiere (9 Episodes) as Tierarzt
1962Chikita as Eugen Stärkle
1962Sissi - Forever My Love as Duke Max of Bavaria (archive footage)
1962Die Physiker as Herbert Georg Beutler
1961Und Pippa tanzt as Unknown
1961The Liar as Rotbarth
1961Nur der Wind as Sean O’Connor
1961Musik ist Trumpf as Hotel Director
1961Eine hübscher als die andere as Otto Seeberg
1960Sacred Waters as Hans Waldisch
1960Auf Engel schießt man nicht as Carlos
1960The Devil May Well Laugh as Erich Füllgrabe
1960Eine Frau fürs ganze Leben as Vater Barnebusch
1960Der Herr mit der schwarzen Melone as Generaldirektor Meißen
1960Conny und Peter machen Musik as Trautmann, Hoteldirektor
1960Lampenfieber as Herr Seipel
1960Kein Engel ist so rein as Josef „Sepp“ Ziegler
1960The High Life as Arthur Grönland
1960Ich heirate Herrn Direktor as Friedrich Kiesberg
1959Freddy unter fremden Sternen as Henry O’Brien
1959Buddenbrooks - 1. Teil as Diederich Schwarzkopf
19592 x Adam, 1 x Eva as Viirimäki
1959Alle lieben Peter as Generaldirektor Steiner
1959Stars in the Ring (1 Episode) as Self
1959Hippodrome as Carl de Vries
1958The House of the Three Girls as Christian Tschöll
1958Kleine Leute mal ganz groß as Ferdinand Sommerrock
1958Hoch klingt der Radetzkymarsch as Waldemar Graf Hatzberg zu Eberstein
1958Der schwarze Blitz as Hotelier Haringer
1958Ihr 106. Geburtstag as Anton Burger
1958Man ist nur zweimal jung as Ruedi Stuffer
1958Der Bettelstudent as Oberst Ollendorf
1958A Piece of Heaven as Axel von Pröhl
1957Wenn Frauen schwindeln as Hellmann
1957Sissi: The Fateful Years of an Empress as Duke Max
1957The Count of Luxemburg as Fürst Basil Basilowitsch
1957Der 10. Mai as deutscher Konsul
1957Castle in Tyrol as Jack Hover
1957Zum blauen Bock (1 Episode) as Self
1957..und die Liebe lacht dazu as Klaus Papendiek
1956Spy for Germany as Roger Bentley
1956Sissi: The Young Empress as Duke Max
1956Wenn wir alle Engel wären as Polizeikommissar
1956S'Waisechind vo Engelberg as Andreas
1956Heute heiratet mein Mann as Karl Nielsen
1956Hengst Maestoso Austria as Loisl, Bildhauer und Maler
1956Regine as Der alte Winter
195508/15 at Home as Major Hinrichsen
1955I Often Think of Piroschka as Istvan Racz
1955Sissi as Duke Max
1955Sky Without Stars as Otto Friese
1955Geliebte Feindin as Soldat Horner
1955The Rats as Karl John
1955Reaching for the Stars as Carlo
1955What Am I? (1 Episode) as Self
1954On the Reeperbahn at Half Past Midnight as Brandstetter snr.
1954The Mosquito as Karrari
1954Theft of the Sabines as Emanuel Striese
1953Die Nacht ohne Moral as Abruzzo
1953Muss man sich gleich scheiden lassen? as Dr. Spitzkoetter
1953Keine Angst vor großen Tieren as Schimmel
1953The Venus of Tivoli as Hermann Schninkat
1952The Grapes Are Ripe as Jean Baptiste Gunderloch
1952That Can Happen to Anyone as Herr Schwidders
1952Palace Hotel as Loosli, Kellermeister
1952Der blaue Stern des Südens as Bruck
1951Das seltsame Leben des Herrn Bruggs as Eberhard Bruggs
1951Eine Frau mit Herz as Papi Straßmeier
1951Deutscher Filmpreis (1 Episode) as Self
1950Land der Sehnsucht as Unknown
1950Es kommt ein Tag as Paul
1950Der Theodor im Fußballtor as Knospe
1950Geliebter Lügner as Braubach
1949The Blue Straw Hat as Caesar von Waldau
1949Tromba as Ernesto Spadoli, Artist
1949Das Geheimnis der roten Katze as Pitou
1948Fahrt ins Glück as Holm, Antiquitätenhändler
1948Bambi-Verleihung (3 Episodes) as Self
1946Under the Bridges as Willy
1945Das Leben geht weiter as Dr. Ewald Martens
1944Port of Freedom as Fiete
1943Ein glücklicher Mensch as Georg, sein Sohn
1943Gefährtin meines Sommers as Georg Polenz, Müller
1942The Big Game as Trainer Karl Wildbrandt
1941Pedro soll hängen as Pedro, Hirte
1941Friedemann Bach as Johann Christoph Altnikol
1941Das Mädchen von Fanö as Fischer Frerk
1940Between Hamburg and Haiti as Henry Brinkmann
1939The Desert Song as Nic Brenten, Ingenieur
1939Mann für Mann as Walter Zügel, Caissonarbeiter
1939The Curtain Falls as Dr. Cornelsen
1938Shadows over St. Pauli as Oschi Rasmus
1937Heimweh as Christof Peleikis, Fischer und Steuermann
1935Der Ammenkönig as Hans Stork