Tom Hanks (Rick Gassko), Tawny Kitaen (Debbie Thompson), Adrian Zmed (Jay O'Neill), George Grizzard (Ed Thompson), Barbara Stuart (Mrs. Thompson), Robert Prescott (Cole Whittier), William Tepper (Dr. Stan Gassko) more..., Wendie Jo Sperber (Dr. Tina Gassko), Barry Diamond (Rudy), Gary Grossman (Gary), Michael Dudikoff (Ryko), Bradford Bancroft (Brad Mollen), Martina Finch (Phoebe), Deborah Harmon (Ilene), Tracy Smith (Bobbi), Florence Schauffler (Sister Mary Francis), Sumant (Rajah), John Bloom (Milt), Kenneth Kimmins (Parkview Hotel Manager), Gerard Prendergast (Michael), Brett Baxter Clark (Nick), Ji-Tu Cumbuka (Alley Pimp), Rosanne Katon (Bridal Shower Hooker), Dani Douthette (Bridal Shower Hooker), Katie Mitchell (Kelley), Christopher Morley (She-Tim), Toni Alessandrini (Desiree), Monique Gabrielle (Tracey), Angela Aames (Mrs. Klupner), Richard Lorenzo Hernandez (Raul), Jonathan Tyler Trevillyan (Skip), Billy Beck (Patient), Jim Hudson (Neighbor), Dean Dittman (Elkshead Executive), Ben Slack (Suitcase Man), Milt Kogan (Restaurant Customer), Greg Norberg (Restaurant Customer), Coleen Maloney (Jeans Store Customer), Arlee Reed (Jeans Store Customer), Donald Thompson (Schoolboy) and others.

Neal Israel (Screenplay), Pat Proft (Screenplay), Bob Israel (Producer), Ron Moler (Producer), Raju Patel (Producer), Sharad Patel (Executive Producer), Joe Roth (Executive Producer) more..., Robert Folk (Original Music Composer), Hal Trussell (Director of Photography), Tom Walls (Editor), Dick Ziker (Stunts), Mark Billerman (Set Designer), Susumu Tokunow (Sound Mixer), Bob Israel (Story), Bob Hagans (Color Timer), Tom Villano (Music Editor), Ann Kindberg (Unit Production Manager), Danny Goldberg (Music Supervisor), Pamela Peitzman (Hair Supervisor), Pamela Peitzman (Makeup Supervisor), Martin Price (Art Direction), Shari Adagio (Assistant Art Director), David E. Campbell (Sound Re-Recording Mixer), Gregg Rudloff (Sound Re-Recording Mixer), John T. Reitz (Sound Re-Recording Mixer), Joe Dunne (Stunt Coordinator), Harvey Waldman (Second Assistant Director), Connie Papineau (Script Supervisor), Ken Beauchene (Boom Operator), Jack Hooper (Negative Cutter), Tim Sexton (Music Supervisor), Nina Padovano (Wardrobe Supervisor), Dennis Cornell (Casting Associate), Kevin Conlin (Art Direction), Jerry Sobul (First Assistant Director), Donna Evans (Stunts), Dar Robinson (Stunts), Martin Becker (Special Effects), Gilbert B. Combs (Stunts), Richard E. Butler (Stunts) and others.