The Key of the World
| MPAA Rating: | NR |
| Genre: | Romance |
| Country: | United Kingdom |
| Directed By: | J.L.V. Leigh |
| Written By: | Helen Blizzard, Dorin Craig |
| Cast: | Eileen Molyneux, Hamilton Stewart, Eric Harrison, Lionel D'Aragon, Heather Thatcher, Pat Somerset, Florence Nelson, Cecil Morton York, Frank Harris |
| In Theaters: | Oct 01, 1918 |
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