This is because:
* The provided information is ambiguous: "I zoi mou oli ena tsigaro" (My life is only a cigarette) is a common phrase, but not a specific film title.
* The year 1988 is not specific enough: There might be multiple Greek films or TV shows with a similar title or theme released in 1988.
To help me find the right information, please provide:
* A more specific title: Is there a full title or any additional information (director, genre) you can remember?
* Language: Are you sure it's a Greek film?
With more information, I can better assist you in finding the cast.