* Pasqual Maragall: The former president of the Generalitat de Catalunya (Catalan government) is the central subject of the documentary, being interviewed extensively throughout.
* The interviewer: This is usually a journalist or documentary filmmaker who leads the interview. Information on the interviewer is likely to be available in the credits or supplementary information about the film.
It's important to note that documentaries typically focus on real people and events, and thus do not usually employ actors in fictional roles.