Writing

2020

… Characters

2004

… Characters

2001

… Story

1999

… Screenplay

1996

… Writer … Characters

1993

… Screenstory … Screenplay

1990		Ghost Dad … Screenplay
1990		Tremors … Story … Screenplay

1988

… Screenplay

1987

… Screenplay

1986

… Writer

1980

… Adaptation

1968

… Writer