Isn't it weird that some actors star together again in different movies??!???

No, its not weird... Its chemistry. Look at Ben Stiller and Owen Wilson. They appear in each others movies. Stars just become great friends, and usually, the two of them together on screen makes the roles better and stand out. Like Leo and Kate; they played lovers before, and now they're going to be more in character because they know each other.

Look at how much Titanic made.

Would you like to make that much money?

Would a movie with the same stars make as much money?

Is it worth testing them for the roles to see if the chemistry that attracted audiences in that movie when they were younger still works?

Did the movies with Richard Gere and what's her name make money?

You obviously missed the good old days of movies in which starring couples made 6 or 8 movies together - Look up Katerine Hepburn and Spencer Tracy, Judy Garland and short stuff, Fred Astaire and several partners.

It's not uncommon, here's a list of common acting duos:

Ben Stiller and Owen Wilson - lots of movies together.

Ben Affleck and Matt Damon - first movie together was Dogma, IIRC.

Nathan Lane and Matthew Broderick - I believe their first movie together was Lion King, and then later they did the remake of The Producers.

Keanu Reeves and Sandra Bullock - Speed, and The Lake House

Robert De Niro and Al Pacino - Heat, and Righteous Kill

yea it's a little strange like Morgan Freeman and Ashley Judd in Along Came a Spider and Kiss the Girls....

i just thinnk that when 2 actors have that chemistry that the producer/director knows they will do well on screen. its type casting to me but if it works..it works

I don't think it's weird. Some actors have a good working chemistry together and that makes for a better; more believable movie.

There are alot of movies where the same actors work together

again its because people like to see them together due to their chemistry

No it isn't strange, I believe it is called stock, it is usually a firms or directors name then stock, John Wayne and Harry Carrey Jr were both on the same stock list.

i know!! i read about that a few weeks ago and i was like, "what???"

like i think it'll be cool, but it seems so strange. the whole time i'll be imagining jack and rose!!! lol

Great examples of this are any Adam Sandler movie. I ♥ that he keeps his crew in all of his comedies.