Ethan Hawke has revealed that his next film with Julie Delpy may be his last.
Starring in both Before Sunrise and Before Sunset, the journey of the forlorn lovers may be ended in follow up Before Midnight.
Questions such as what time of the year the film would be set in were shunned by Ethan, who refused to give anything away.
The actor, 41, said: "What fun would it be if I answered that question? It would ruin it!"
"It might be the end of the line. But it might not be. We find them in Greece, that's all I'm allowed to say."
Beginning in 1995, the movies have been indie box office hits.
The third film in the series will be released in 2013.
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