The phrase "actors involved" is correct and usable in written English.
For example, you can use it in a sentence like "The movie had some well-known actors involved."
I really liked the actors involved, too.
The amateur actors involved range from pub landlords, to nurses and estate agents.
A number of the actors involved are connected with one another.
Among the strongest supporters of the project were the actors involved.
For the actors involved, that can mean a routine that is taxing and frantic.
He has begun calling actors involved to inform them of his decision.
The difficulty is that there are so many perverse incentives for the actors involved.
He confirmed he had begun calling actors involved to inform them of his decision.
How it plays out in party terms depends on the political actors involved.
Among the strongest supporters of the project were some of the actors involved.
I think all the actors involved in his films know very much what they're getting into.
