Ron Underwood Director Billy Crystal Mitch Robbins Actor, Executive Producer Daniel Stern Phil Berquist Actor Bruno Kirby Ed Furillo Actor Patricia Wettig Barbara Robbins Actor Helen Slater Bonnie Rayburn Actor Jack Palance Curly Washburn Actor Noble Willingham Clay Stone Actor Tracey Walter Cookie Actor Josh Mostel Barry Shalowitz Actor David Paymer Ira Shalowitz Actor Bill Henderson Dr. Ben Jessup Actor Jeffrey Tambor Lou Actor Phill Lewis Dr. Steven Jessup Actor Kyle Secor Jeff Actor Dean Hallo T.R. Actor Karla Tamburrelli Arlene Berquist Actor Yeardley Smith Nancy Actor Jayne Meadows Mitch's Mother Actor Alan Charof Mitch's Father Actor Lowell Ganz Writer Babaloo Mandel Writer Irby Smith Producer Dean Semler Cinematographer O. Nicholas Brown Film Editing Hummie Mann Additional Music Marc Shaiman Original Music Thomas Richard Sharp Original Music Lawrence G. Paull Production Design Mark W. Mansbridge Art Director Rick Simpson Set Decoration Judy L. Ruskin Costume Design Pam Dixon Casting Ken Chase Key Makeup Artist Candida Conery Key Hair Stylist