| Movie | 2006 | 7 Dwarves: The Forest Is Not Enough | Bubi | |
| Movie | 2005 | Siegfried | Grille (voice) | |
| Movie | 1999 | St. Pauli Nacht | | |
| Movie | 1987 | Otto – The New Movie | Otto | |
| Movie | 2013 | Die Helene Fischer Show 2013 | Self | |
| Movie | 2004 | 7 Dwarves - Men Alone in the Woods | Bubi | |
| Movie | 1989 | Otto – The Alien from East Frisia | Otto / Benno Gross | |
| Movie | 1985 | Otto - The Movie | Otto / Otto's Father (voice) / Otto's Mother (voice) / Mr. Astrid (voice) | |
| Movie | 2000 | Otto - The Disaster Movie | Otto, Baby-Otto, Otti, Großvater | |
| Movie | 1992 | Otto - The Romance Film | Karl/Otto/Amor | |
| Movie | 2008 | Otto live! Das Original | Self | |
| Movie | 2021 | Otto Fröhliche - Advent, Advents mit Otto und Friends | Various | |
| Movie | 2010 | Otto's Eleven | Otto | |
| Movie | 2014 | Otto's Traum | Otto | |
| Movie | 2008 | Udo Lindenberg - Stark wie zwei | Self | |
| Movie | 2001 | Kommando Störtebeker | Bruno Bommel / Papagei | |
| Movie | 2014 | The 7th Dwarf | Bubi (voice) | |
| Movie | 2006 | Die Traumschiff-Gala zum 80. Geburtstag von Peter Alexander | Self | |
| Movie | 2004 | Crazy Race 2 - Warum die Mauer wirklich fiel | Scientist | |
| Movie | 1998 | Loriots 75th Birthday | self | |
| Movie | 2015 | Potato Salad: Don't Ask! | Notrufbeantworter | |
| Movie | 2022 | Ottos Märchenshow | Self | |
| Movie | 2003 | Otto - Die DVD | | |
| Movie | 2015 | Help, I Shrunk My Teacher | Spirit of the school founder Otto Leonhard | |
| Movie | 1983 | Hilfe, Otto kommt! | Self | |
| Movie | 2015 | Otto - Geboren um zu blödeln | Self | |
| Movie | 2005 | Otto - Die ersten 15 Jahre und mehr! (Goldedition) | | |
| Movie | 2016 | Otto live - Holdrio Again | Self | |
| Movie | 2016 | Udo Lindenberg: Stärker als die Zeit - Live | | |
| Movie | 2012 | Best of Otto | | |
| Movie | 2018 | Help, I Shrunk My Parents | Otto Leonhard | |
| Movie | 2018 | Otto - Die Doku | Self | |
| Movie | 2018 | Otto Waalkes rockt WERNER | Self | |
| Movie | 2018 | Geheimakte Otto Waalkes - Harry Hirsch auf Spurensuche | Harry Hirsch | |
| Movie | 2014 | Pur & Friends: Live auf Schalke 2014 | Self | |
| Movie | 2015 | Das Zeitkarussell | Wilhelm Tell | |
| Movie | 2001 | Otto - Mein Ostfriesland und mehr | | |
| Movie | 2021 | Catweazle | Catweazle | |
| Movie | 2013 | Heino – Made in Germany | Self | |
| Movie | 2021 | Help, I Shrunk My Friends | Otto Leonhard | |
| Movie | 2024 | Mein Name ist Otto | Self | |
| Movie | 2023 | Udo Lindenberg & Das Panikorchester - 50 Jahre Rock'n'Roll in der bunten Republik | Self | |
| TV Show | 2003 | 5 Millionen SKL Show | Self | 1 |
| TV Show | 2003 | Genial daneben | | 1 |
| TV Show | 2002 | Die 80er Jahre Show | Self | 1 |
| TV Show | 2009 | Granaten wie wir | Self | 1 |
| TV Show | 1995 | Otto - Die Serie | | 13 |
| TV Show | 1973 | The Otto-Show | Otto Waalkes | 9 |
| TV Show | 2007 | Inas Nacht | Self | 1 |
| TV Show | 1995 | Die Harald Schmidt Show | Self | 5 |
| TV Show | 2008 | Ein Abend für.. | Self | 1 |
| TV Show | 2006 | Die große Maus-Show | Self | 1 |
| TV Show | 1993 | Ottifants | Baby Bruno Bommel | 13 |
| TV Show | 1981 | Wetten, dass..? | Self | 8 |
| TV Show | 2008 | Bully sucht die starken Männer! | | 1 |
| TV Show | 1986 | ZDF-Fernsehgarten | Self | 1 |
| TV Show | 1982 | Ronny’s Pop Show | Ronny (voice) | 1 |
| TV Show | 2018 | Late Night Berlin | Self | 1 |
| TV Show | 1997 | Leute heute | Self | 8 |
| TV Show | 1991 | Musik liegt in der Luft | Self | 1 |
| TV Show | 1987 | Na siehste! | Self | 1 |
| TV Show | 1980 | Verstehen Sie Spaß? | Self | 1 |
| TV Show | 1989 | Blauer Panther | Self | 1 |
| TV Show | 1948 | Bambi-Verleihung | Self | 6 |
| TV Show | 1964 | Grimme Awards Ceremony | Self | 1 |
| TV Show | 1997 | German Comedy Award | Self | 1 |
| TV Show | 1995 | Goldene Henne | Self | 1 |
| TV Show | 2021 | LOL: Last One Laughing | Self | 6 |
| TV Show | 1992 | ECHO-Verleihung | Self | 1 |
| TV Show | 1998 | The Johannes B. Kerner Show | Self - Guest | 3 |
| TV Show | 1999 | TV total | Self | 2 |
| TV Show | 1993 | RTL Samstag Nacht | | 1 |
| TV Show | 2001 | Ein Star und seine Stadt | Self | 1 |
| TV Show | 2011 | Unsere Besten im Norden | Self | 1 |
| TV Show | 1984 | Die verflixte 7 | Self | 1 |
| TV Show | 1991 | DAS! | Self | 2 |
| TV Show | 1979 | NDR Talk Show | Self | 1 |
| TV Show | 1998 | Ein Herz für Kinder | Self | 3 |
| TV Show | 2002 | NDR Kultur – Das Journal | Self | 1 |
| TV Show | 2014 | Der Meisterfälscher | Self | 1 |
| TV Show | 1977 | Please Turn the Page | Self | 2 |
| TV Show | 2003 | Our Best | Self | 1 |
| TV Show | 2011 | Klein gegen Groß - Das unglaubliche Duell | Self | 2 |
| TV Show | 1974 | Der große Preis | Self | 1 |
| TV Show | 2000 | Abendschau | Self | 1 |
| TV Show | 1955 | What Am I? | Self | 1 |
| TV Show | 2004 | Dittsche - Das wirklich wahre Leben | self | 2 |
| TV Show | 1996 | Tigerenten Club | Self | 1 |
| TV Show | 1987 | Seitenblicke | Self | 1 |
