Rough Draft Idea for Poster

This is a rough idea of what I would want to include within my documentary poster for the shopping documentary I have made. I have included typical conventions of posters, including the focal image and star rating system, and the credits, including who is the actors. This will all include the typography and the colour scheme, which I think should be blue and white, which is the similar colours as the rough draft presented here.
More key themes and conventions within magazine covers and posters are the typography. I would make the typography fairly plain so it wouldn't take away any attention from the focal image, but I would keep it within the colour theme to add to the audience attention catching. I have also included the credits, because they are helpful for informing the audience with who was involved with the making of the film. These typography will include the producers of the documentary, the editors, who was involved with the casting (interviewees) and more. This will act as a good advertisement for the documentary because it shows the content. I have also included a star rating system, because these are typically involved within posters for documentaries. If this contains a high level of stars, it means the audience are probably more likely to watch the documentary advertised because it will be more universally renowned if it has a high star rating system.
Lastly, I have included the name of the company within the poster, because it is both good advertisement for the company (Fraycke media) but it also informs the audience for what they should expect from the documentary. For example, if an audience saw a poster for a documentary by the BBC and narrated by David Attenborough, they would have specific expectations.