Dudley Moore (George Webber), Julie Andrews (Samantha Taylor), Bo Derek (Jenny Hanley), Robert Webber (Hugh), Dee Wallace (Mary Lewis), Sam J. Jones (David Hanley), Brian Dennehy (Donald) more..., Max Showalter (Reverend), Rad Daly (Josh Taylor), Nedra Volz (Mrs. Kissell), James Noble (Dr. Miles), Virginia Kiser (Ethel Miles), John Hawker (Covington), Deborah Rush (Dental assistant), Don Calfa (Neighbor), Walter George Alton (Larry), John Hancock (Dr. Croce), Lorry Goldman (Bernie Kaufman), Arthur Rosenberg (Pharmacist), Mari Gorman (Coffee Shop Waitress), Marcy Hanson (Magazine Reader in Coffee Shop), Herb Tanney (), Kitty DeCarlo (Saleswoman), William Lucking (Policeman), Owen Sullivan (), Deborah White (), Larry Carr (), Camila Ashland (), Burke Byrnes (), Doug Sheehan (Police Officer), J. Víctor López (), Jon Linton (), John Chappell (Man on Beach), Art Kassul (Large Man), Julie Alter (Party Guest), Adam Anderson (Party Guest), Jeannetta Arnette (Party Guest), Adrian Aron (Party Guest), Gail Bowman (Party Guest), Sheila Cassidy (Party Guest) and others.

Lynn Stalmaster (Casting), Blake Edwards (Producer), Ralph E. Winters (Editor), Jack Stephens (Set Decoration), Tony Adams (Producer), Rodger Maus (Production Design), Reg Allen (Set Decoration) more..., Frank Stanley (Director of Photography), H. Bud Otto (Script Supervisor), Henry Mancini (Original Music Composer), John C. Hammell (Music Editor), Robert Pergament (Assistant Editor), Dick Crockett (Stunt Coordinator), Bill Varney (Sound Re-Recording Mixer), Geoffrey Edwards (Assistant Editor), Mary Keats (Hairstylist), Nick Marck (Second Assistant Director), Bruce McBroom (Still Photographer), Steve Maslow (Sound Re-Recording Mixer), Bron Roylance (Makeup Artist), William N. Clark (Camera Operator), Gordon Daniel (Sound Effects), Bill MacSems (Property Master), Bruce Bisenz (Sound Mixer), Bob Minkler (Sound Re-Recording Mixer), Patricia Edwards (Costume Designer), Mickey McCardle (First Assistant Director), Randy Spangler (Location Manager), Nanette Siegert (Production Coordinator), Elton MacPherson (Production Controller), Fred Cramer (Special Effects), Karen Murray (Second Assistant Director), Gary Martin (Construction Coordinator), Ron Rapiel (Location Manager), Chuck Murray (Production Manager), Gil Marchant (Sound Effects), Buddy Bowles (Gaffer), Bud Howell (Key Grip), Ben Nye II (Makeup Artist), Debbie Evans (Stunts) and others.