Plan for own personal film poster

I am in the early stages of creating my own film poster for our film, and as such I need poster that not only reflects the reflects genre, also correctly portrays the style of film we created. My basic idea s that of two light bulbs side by side, one is of and the other is on, upon this I am going to place the title of our short film "Lights Out". I going to use a font that is big and bold, and shows that the film shares these elements too.

At the bottom of the poster will be the production company name "Clarity Studios", this I will do to reinforce the brand name. At the right the poster will reviews from magazines which are likely to be good review Eg 4/5 and most likely a quote which flatters the film "Absolutely amazing!".

Along the bottom of the poster I will have the names of the actors who plays them, this is to attract the audience, because it is true that some people only see films in the cinema because of the actors. 

This is only a basic plan, but it will serve as guide the creation of my own personal poster. I have research poster from other thriller genres and feel with correct computer software (Photoshop) I will be able to acuratly create my own realistic poster