The Warriors
Anyone who is unconvinced of David Patrick Kelly’s talent needs to watch him play Luther in the crime flick The Warriors. Does the line “Warriors come out to play!” ring any bells? As catchy as it might have been, it was improvised by Kelly. We don’t need any more confirmation that the director liked it other than the fact that multiple reiterations made it to the final cut.

The Warriors
Apocalypse Now
Marlon Brando is easily one of the most prominent actors of the 20th-century movie industry. His method acting has been praised many times over the years. Despite his talent, everyone knows that he has quite a number of issues that made him difficult to work with. In Apocalypse Now, the actor reportedly refused to memorize his lines. That’s how he ended up adlibbing a significant amount of the lines he spoke in the movie!

Apocalypse Now