Screenwriting Credits (in Collaboration With Babaloo Mandel)
- Night Shift (1982)
- Splash (with Bruce Jay Friedman) (1984) (Academy Award Nomination for Best Original Screenplay (1984))
- Spies Like Us (with Dan Aykroyd and Dave Thomas) (1985)
- Gung Ho (1986)
- The Money Pit (1986) (uncredited)
- Vibes (1988) (with Deborah Blum)
- Parenthood (1989)
- City Slickers (1991)
- A League Of Their Own (1992)
- Mr. Saturday Night (with Billy Crystal) (1992)
- Greedy (1994)
- City Slickers II: The Legend of Curly's Gold (with Billy Crystal) (1994)
- Forget Paris (with Billy Crystal) (1995)
- Multiplicity (with Chris Miller and Mary Hale) (1996)
- Fathers' Day (1997)
- Liar, Liar (1997) (uncredited)
- EdTV (1999)
- Where The Heart Is (2000)
- Fever Pitch (2005)
- Robots (2005) (with David Lindsay-Abaire)
- Tooth Fairy (2010) (with Joshua Sternin, Jeffrey Ventimilia, and Randi Mayem Singer)
- Parental Guidance (2012) (with Billy Crystal, Lisa Addario, and Joe Syracuse)
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