Dudley Moore (George Webber), Julie Andrews (Samantha Taylor), Bo Derek (Jenny Hanley), Robert Webber (Hugh), Dee Wallace (Mary Lewis), Sam 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), Serena (Party Guest), Candida Royalle (Party Guest), Annette Haven (Party Guest), Denise Crosby (Party Guest), Antonia Ellis (Party Guest), Jeannetta Arnette (Party Guest), Bonnie Holiday (Party Guest), Dorothy LeMay (Party Guest), Constance Money (Pool Player), Mari Gorman (Coffee Shop Waitress), Marcy Hanson (Magazine Reader in Coffee Shop)

Lynn Stalmaster (Casting), Blake Edwards (Screenplay), Blake Edwards (Producer), Henry Mancini (Music), Ralph E. Winters (Editor), Jack Stephens (Set Decoration), Tony Adams (Producer) more..., Rodger Maus (Production Design), Reg Allen (Set Decoration), Frank Stanley (Director of Photography), H. Bud Otto (Script Supervisor),