John Mattson

Chicago, Illinois, USA

Known for Writing

John Mattson is an American screenwriter.

Discover More Writing Works

Free Willy 3: The Rescue

Free Willy 3: The Rescue

Writer

1997

6.1

Free Willy 2: The Adventure Home

Free Willy 2: The Adventure Home

Writer

1995

5.9

Milk Money

Writer

1994

6.4