Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Mordet på Orientexpressen | 2017 | |
| Writer | Death on the Nile | 2022 | |
| Writer | Crooked House | 2017 | |
| Writer | Mordet på Orientexpressen | 1974 | |
| Writer | They Were Ten | ||
| Writer | Åklagarens vittne | 1957 | |
| Writer | Döden på Nilen | 1978 | |
| Writer | Mord På Ljusa Dagen | 1982 | |
| Writer | And Then There Were None | 1945 | |
| Writer | Spegeln Sprack från Kant till Kant | 1980 | |
| Writer | Appointment with Death | 1988 | |
| Writer | Ten Little Indians 1965 | 1965 | |
| Writer | Tio små negerpojkar | 1974 | |
| Writer | By the Pricking of My Thumbs | 2005 | |
| Writer | Murder She Said | 1961 | |
| Writer | Curtain: Poirot's Last Case | 2013 | |
| Writer | Crime Is Our Business | 2008 | |
| Writer | Evil Under the Sun | 2001 | |
| Writer | Partners in Crime | 2012 | |
| Writer | Murder Most Foul | 1964 | |
| Writer | Murder on the Orient Express | 2001 | |
| Writer | Dead Man's Folly | 1986 | |
| Writer | Thirteen at Dinner | 1985 | |
| Writer | Ten Little Indians | 1989 | |
| Writer | Murder in Three Acts | 1986 | |
| Writer | Miss Marple: The Mirror Crack'd from Side to Side | 1992 | |
| Writer | Cat Among the Pigeons | 2008 | |
| Writer | Murder Ahoy | 1964 | |
| Writer | Miss Marple: They Do It with Mirrors | 1991 | |
| Writer | Miss Marple: A Caribbean Mystery | 1989 | |
| Writer | The Alphabet Murders | 1965 | |
| Writer | Miss Marple: The Murder at the Vicarage | 1986 | |
| Writer | Witness for the Prosecution | 1982 | |
| Writer | Agatha Christie's Seven Dials Mystery | 1981 | |
| Writer | The Great Alibi | 2008 | |
| Writer | A Caribbean Mystery | 1983 | |
| Actor | Agatha Christie contre Hercule Poirot : Qui a tué Roger Ackroyd ? | 2017 | Agatha Christie |
| Writer | The Man in the Brown Suit | 1989 | |
| Writer | Endless Night | 1972 | |
| Writer | Murder with Mirrors | 1985 | |
| Writer | Murder Is Easy | 1982 | |
| Writer | Ten Little Indians | 1987 | |
| Actor | Agatha Christie: The Queen of Crime | 2018 | Agatha Christie |
| Writer | Innocent Lies | 1995 | |
| Writer | Why Didn't They Ask Evans? | 1980 | |
| Writer | Sparkling Cyanide | 2003 | |
| Writer | Addio Miss Marple | 1987 |