These two have been connected since Good Will Hunting. To be fair, they got an Oscar for screenwriting for that, and it was a great smash.
There have been a few regular partners for Scorsese. But to us, De Niro is the one who most embodies "Marty."
Owen Wilson has appeared in multiple films directed by Anderson, such as The Darjeeling Limited and The Royal Tenenbaums.
Of course, Ball and Arnaz are best known for I Love Lucy when they were on screen. That was one of the earliest successful sitcoms, a program that is still recognizable today.
Over their careers, Hepburn and Tracy each received many Oscars. Because of their legendary status, Tracy and Hepburn each have their own article on Wikipedia.
Hope will always be associated with the comedic style of his day, whereas Crosby enjoyed enormous success as an actor and singer.
You can see how brilliant and serious of an actor Reilly can be if you have seen any of his work outside of his partnerships with Ferrell.