In what movie do Robert De Niro Marlon Brando and Edward Norton play a trio of thieves?

There is no movie where Robert De Niro, Marlon Brando, and Edward Norton play a trio of thieves.

While all three actors are renowned for their roles in crime movies, they have never appeared together in a film, let alone as a group of thieves.

It's possible you are misremembering or mixing up details from different films.