It is very likely that you will get support from actors - like the police - in your protest action if it is well organized.
street theatre
The Yes Men: Hiring Unwilling Actors
How to turn your nonviolent protest into a street theatre ...
Everyday Rebellion Videoblog: Street Theatre in Amman, Jordan
Taking the street as their stage - The Street Theatre Group "Masrah Al Sharaa" about non-violent criticism ...
