Help looking for a movie from 70s or 80s cant say !

[hhl]

Hi every one, for a long time i've been looking for a classic movie from the 70s or 80s im not sure about the date the problem is that i dont know the name of the film but i regonized 3 name's actor who played on that movie :
Tom Byron
Randy West
Joey Silvera
in a scene of that movie Randy West is playing a detective who is holding a magnifying glass and looking into Masterpiece and then he discover a boobs and it was a female who starts sucking his dick.
also it was in the movie a slut playing the boss sitting on a chair, drinking and reading a magazine and she hear the scream of their sluts being fucked.
I hope you guys can identify that movie im hardly looking for him.
thanks a lot !