Considering casting and locations

I am now at the stage where i can start considering my casting options for the parts i need. I will be needing a main character which will be the artist who is female. I will need a male guitarist and a female contemporary dancer these are the three main parts the extra parts i will need is a set of 8 people to hold boards up with words on.

For my locations i will need a variety of different street locations where my artist can walk down