Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | The Man Who Knew Too Much | 1956 | |
| Writer | The 39 Steps | 1935 | |
| Writer | Ulkomaankirjeenvaihtaja | 1940 | |
| Writer | Mies joka tiesi liikaa | 1934 | |
| Writer | Sabotage | 1936 | |
| Writer | Nuori ja viaton | 1937 | |
| Writer | Night of the Demon | 1957 | |
| Writer | Casino Royale | 1954 | |
| Writer | Secret Agent | 1936 | |
| Writer | Voyage to the Bottom of the Sea | 1961 | |
| Actor | Gunga Din | 1939 | Telegraph Operator |
| Writer | Reap the Wild Wind | 1942 | |
| Actor | Tillie's Punctured Romance | 1914 | Tillie's Millionaire Uncle |
| Writer | Unconquered | 1947 | |
| Writer | The Lost World | 1960 | |
| Director | Brotherly | 2008 | |
| Writer | War-Gods of the Deep | 1965 |