Was Sean penn in pulp fiction?

No, Sean Penn was not in the movie "Pulp Fiction".

The main cast of "Pulp Fiction" includes:

* John Travolta

* Samuel L. Jackson

* Uma Thurman

* Bruce Willis

* Harvey Keitel

* Tim Roth

* Amanda Plummer

While Sean Penn is a renowned actor, he was not part of the "Pulp Fiction" cast.