What is the name of movie with cuba gooding jr about cowboys he palyed in this actor that played mic crocodile dundee?

You're likely thinking of the movie "A Few Good Men" (1992).

* Cuba Gooding Jr. played the role of "Private First Class Carl "C.J." Harris".

* Paul Hogan, who played "Mick" "Crocodile" Dundee in the Crocodile Dundee films, also starred in "A Few Good Men" as "Lt. Commander "Rooster" Cox".

It's a great film!