| 2024 | Notice to Quit | | ★ 6.0 |
| 2021 | Before I Go | Jasper | ★ 6.2 |
| 2016 | Robert Klein Still Can't Stop His Leg | | ★ 5.4 |
| 2015 | Sharknado 3 | Mayor of New York | ★ 4.6 |
| 2014 | Sharknado 2 | Mayor | ★ 4.6 |
| 2012 | Putzel | Narrator (voice) | ★ 1.0 |
| 2012 | National Lampoon's Another Dirty Movie | CEO | ★ 2.3 |
| 2011 | Demoted | Bob Farrell | ★ 4.9 |
| 2011 | Dirty Movie | The CEO | ★ 3.3 |
| 2010 | Robert Klein: Unfair & Unbalanced | Robert Klein | ★ 6.4 |
| 2010 | Plan B für die Liebe | Dr. Scott Harris | ★ 6.1 |
| 2009 | Pocket Full of Soul: The Harmonica Documentary | Self | ★ 0.0 |
| 2008 | Vielleicht, vielleicht auch nicht | Robert Klein | ★ 6.9 |
| 2008 | Monty Python Conquers America | Self | ★ 6.5 |
| 2007 | Jerry Seinfeld: The Comedian Award | Self | ★ 6.0 |
| 2007 | Die Liebe in mir | Jonathan Timpleman | ★ 7.2 |
| 2006 | Ira & Abby | Seymour Black | ★ 5.6 |
| 2006 | The Best of The Tony Awards: The Plays | Mervyn Kant (segment "The Sisters Rosensweig") | ★ 0.0 |
| 2005 | Robert Klein: The Amorous Busboy of Decatur Avenue | Self | ★ 5.0 |
| 2003 | Wie werde ich ihn los - in 10 Tagen? | Phillip Warren | ★ 6.8 |
| 2002 | Ein Chef zum Verlieben | Larry Kelson | ★ 6.4 |
| 2002 | Im inneren Kreis | Dr. Sandy Napier | ★ 5.3 |
| 2002 | The Safety of Objects | Howard Gold | ★ 6.5 |
| 2002 | Jerry Seinfeld: Comedian | Self | ★ 6.6 |
| 2002 | Alle lieben Lucy | Dr. Mort Zalkind | ★ 5.4 |
| 2001 | Piñero | Doctor | ★ 6.2 |
| 2000 | Robert Klein: Child in His 50s | Himself | ★ 5.8 |
| 2000 | Labor Pains | David Raymond | ★ 3.0 |
| 2000 | From Where I Sit | Lenny | ★ 0.0 |
| 1999 | Funny Is Money | Self | ★ 0.0 |
| 1999 | Märchenprinz verzweifelt gesucht | Mel | ★ 3.2 |
| 1999 | Yesterday's Tomorrows | Self | ★ 10.0 |
| 1999 | The Contract | Jackson | ★ 3.8 |
| 1999 | Suits | Tom Cranston | ★ 1.0 |
| 1998 | Next Stop Wonderland | Arty Lesser | ★ 5.9 |
| 1998 | Jerry Seinfeld: I'm Telling You for the Last Time | Self | ★ 7.4 |
| 1998 | Monty Python: Live at Aspen | Host | ★ 7.1 |
| 1998 | Mit aller Macht | Norman Asher | ★ 6.3 |
| 1996 | Tage wie dieser | Dr. Martin | ★ 6.4 |
| 1995 | Robert Klein: It All Started Here | Himself | ★ 6.5 |
| 1995 | Clarissa | Hugh Hamilton | ★ 7.4 |
| 1995 | Jeffrey | Skip Winkley | ★ 6.3 |
| 1994 | Lifesavers - Die Lebensretter | Mr. Lobel | ★ 5.4 |
| 1994 | Radioland Murders - Wahnsinn auf Sendung | Father Writer | ★ 6.0 |
| 1992 | Laurel & Hardy - Ein Dankeschön an die Jungs | Self | ★ 6.7 |
| 1990 | Mike Mulligan and His Steam Shovel | Narrator (voice) | ★ 10.0 |
| 1990 | Night of 100 Stars III | Self | ★ 4.0 |
| 1990 | Comic Relief '90 | Self | ★ 5.0 |
| 1990 | Geschichten aus der Schattenwelt | Wyatt (segment ‘Lover’s Vow’) | ★ 6.2 |
| 1988 | Scharfe Kurven | Bam Bam | ★ 2.9 |
| 1988 | An All-Star Toast to the Improv | Self | ★ 0.0 |
| 1986 | Robert Klein on Broadway | Himself | ★ 7.0 |
| 1985 | The Best of John Belushi | Various Characters | ★ 6.0 |
| 1985 | This Wife for Hire | Alan Harper | ★ 0.0 |
| 1985 | Night of 100 Stars II | Self | ★ 8.0 |
| 1985 | Das total ausgeflippte Sommercamp | 'Big Irv' Klopper | ★ 6.1 |
| 1984 | Summer Switch | Bill Andrews | ★ 0.0 |
| 1984 | Robert Klein: Child of the 50's, Man of the 80's | Himself | ★ 9.0 |
| 1983 | Pajama Tops | Lenny Jolie-Jolie | ★ 3.0 |
| 1983 | Your Place... or Mine? | Nick | ★ 0.0 |
| 1982 | Das letzte Einhorn | The Butterfly (voice) | ★ 7.2 |
| 1982 | On Location: Robert Klein at Yale | Himself | ★ 0.0 |
| 1982 | Night of 100 Stars | Self | ★ 6.7 |
| 1982 | The Marx Brothers in a Nutshell | Self | ★ 0.0 |
| 1981 | Nobody's Perfekt | Walter | ★ 3.4 |
| 1980 | All Commercials... A Steve Martin Special | Self | ★ 6.0 |
| 1979 | Echoes of the Sixties: A Musical Trip | Self | ★ 0.0 |
| 1979 | The Bell Jar | Lenny | ★ 3.8 |
| 1978 | Um Kopf und Kragen | Robert Deal | ★ 6.3 |
| 1977 | Dick Clark's Good Old Days | | ★ 0.0 |
| 1977 | Robert Klein Revisited | Himself | ★ 8.0 |
| 1977 | Die Gang | | ★ 6.2 |
| 1975 | An Evening with Robert Klein | Himself | ★ 7.0 |
| 1975 | Der Zigeuner | | ★ 6.4 |
| 1972 | Rivals | Peter | ★ 5.5 |
| 1971 | Fünf Finger geben eine Faust | Melvin Lasher | ★ 6.3 |
| 1970 | Die Eule und das Kätzchen | Barney | ★ 6.2 |
| 1970 | Der Hausbesitzer | Peter | ★ 5.9 |
| They're Playing Our Song | Vernon Gersch | ★ 0.0 |
