There are several possibilities:
* The title is incorrect: Perhaps you are thinking of a different title. Please double-check the spelling and year.
* The film is not in English: If the title is in a different language, you might need to find the English translation to identify the film.
* The film is lesser known: If the film is an independent production or a foreign film, it may be harder to find information online.
To help me find the correct film, please provide more details:
* Is it a movie or TV show?
* What is the genre?
* What is the plot about?
* Do you remember any actors or actresses?
With more information, I can hopefully find the correct film and provide you with the cast information you need.