Czechoslovak-born Canadian film and television director, producer and screenwriter. He was best known for his comedy work, especially in the 1980s and 1990s. He was the owner of The Montecito Picture Company, founded in 1998.
| Movie | No Strings Attached | 2011 |
| Movie | Ghostbusters | 1984 |
| Movie | Ghostbusters II | 1989 |
| Movie | Kindergarten Cop | 1990 |
| Movie | Twins | 1988 |
| Movie | Evolution | 2001 |
| Movie | Six Days Seven Nights | 1998 |
| Movie | My Super Ex-Girlfriend | 2006 |
| Movie | Junior | 1994 |
| Movie | Draft Day | 2014 |
| Movie | Cannibal Girls | 1973 |
| Movie | Stripes | 1981 |
| Movie | Dave | 1993 |
| Movie | Foxy Lady | 1971 |
| Movie | Orientation | 1968 |
| Movie | Fathers' Day | 1997 |
| Movie | Meatballs | 1979 |
| Movie | Legal Eagles | 1986 |
| Movie | Cannibal Girls | 1973 |
| Movie | Orientation | 1968 |
| Movie | Baywatch | 2017 |
| Movie | Space Jam | 1996 |
| Movie | Ghostbusters | 2016 |
| Movie | No Strings Attached | 2011 |
| Movie | Ghostbusters | 1984 |
| Movie | Ghostbusters: Afterlife | 2021 |
| Movie | EuroTrip | 2004 |
| Movie | Ghostbusters II | 1989 |
| Movie | Beethoven | 1992 |
| Movie | Disturbia | 2007 |
| Movie | Up in the Air | 2009 |
| Movie | Chloe | 2009 |
| Movie | Twins | 1988 |
| Movie | Kindergarten Cop | 1990 |
| Movie | Beethoven's 2nd | 1993 |
| Movie | Evolution | 2001 |
| Movie | The Uninvited | 2009 |
| Movie | Old School | 2003 |
| Movie | I Love You, Man | 2009 |
| Movie | Six Days Seven Nights | 1998 |
| Movie | Road Trip | 2000 |
| Movie | Death Weekend | 1976 |
| Movie | Junior | 1994 |
| Movie | Hitchcock | 2012 |
| Movie | Draft Day | 2014 |
| Movie | Post Grad | 2009 |
| Movie | The Magic Show | 1983 |
| Movie | Shivers | 1975 |
| Movie | Cannibal Girls | 1973 |
| Movie | Stripes | 1981 |
| Movie | Dave | 1993 |
| Movie | Stop! Or My Mom Will Shoot | 1992 |
| Movie | Heavy Metal | 1981 |
| Movie | Father Figures | 2017 |
| Movie | Feds | 1988 |
| Movie | Rabid | 1977 |
| Movie | Foxy Lady | 1971 |
| Movie | Animal House | 1978 |
| Movie | Orientation | 1968 |
| Movie | Fathers' Day | 1997 |
| Movie | Legal Eagles | 1986 |
| Episode |
Reunited Apart Ghostbusters Reunited Apart |
2020 |
| Episode |
The Dick Cavett Show Doris Dörrie, Sidney Lumet, Sidney Pollack, Alan J. Pakula, Ivan Reitman |
1986 |
| Episode |
Hollywood's Best Film Directors Ivan Reitman |
1970 |
