Which actor fits his/her role so well that even thinking of an alternative is not possible for that role?

Rowan Atchison as Mr Bean

Also Alan Rickman as Hans Gruber

Also, as kind terrible as the movie was: Alan Rickman as Marvin in Hitchhiker's Guide to the Galaxy. Nobody else could bring that utterly morose robot to life like he did.

Danny DeVito as Frank Reynolds

I still wish they did a gag episode with Arnold.

Can't believe danny devito is ryan reynolds' dad

Ryan Reynolds as Deadpool.

I just don’t see a point in him doing any other character 😭

Ryan Reynolds is one of those actors that just plays himself in every movie. Luckily he picks roles that are great for his personality.

My friend has a theory that Reynolds only acted out the non masked parts while someone else did the masked scenes.

I’m fairly certain he’s not even acting. They were just like hey Ryan put this suit on and hang out with us.