This is Corey Haim and he's playing as himself.

This is Leonardo Dicaprio as you know, playing himself ofc.

This is Mark wahlburg , playing as Mickey. (Best picture I could find, it's pretty hard to find a picture with him wearing a shirt.)

This is Tobey Maguire. Playing as himself.

And Jordan is You.

But.... if you did want to imagine your self as someone this is who you could be.

Maddison Beer :)

This is Alicia Silverstone, playing as Brooklyn Wilson.

This is Christina Aguilera and she's playing as Freya Marshall.

This is Winona Ryder and she's playing as Evelyn.