Harper, privatdetektiv Skuespillere og folkene bag
Lauren BacallElaine Sampson Pamela TiffinMiranda Sampson Robert WagnerAllan Taggert Shelley WintersFay Estabrook Harold GouldSheriff Spanner Jacqueline deWitMrs. Kronberg Richard CarlyleFred Platt Al BainBar Patron (uncredited) Horace G. BrownBartender (uncredited) David CadienteImmigrant (uncredited) Steve CarruthersBar Patron (uncredited) Gene CooganImmigrant (uncredited) Mary GregoryWaitress (uncredited) Kathryn JanssenTelephone Operator (uncredited) Chester JonesWaiter (uncredited) Louise LaneHotel Guest (uncredited) China LeeDancer (uncredited) James McHaleCab Driver (uncredited) Andres OropezaPiano Player (uncredited) Murray PollackBar Patron (uncredited) Martin PriestDancer (uncredited) Jerry RushBar Patron (uncredited) Cosmo SardoHotel Clerk (uncredited) Tom SteeleEddie Rossiter (uncredited) Norman StevansBar Patron (uncredited) Maxie ThrowerWaiter (uncredited) Roseann WilliamsBunny Dancer (uncredited) Lewis MarvinGas Station Attendant (uncredited) Herbert SullivanWaiter (uncredited) William GoldmanManuskript Claude E. CarpenterSet Decoration Alfred SweeneyArt Direction Conrad HallDirector Of Photography Jean Burt ReillyHair Supervisor Gordon BauMakeup Supervisor James H. BrownAssisterende instruktør Stefan ArnstenFilmklipper Frank RegulaBoom Operator Johnny MandelKomponist af original musik Willis HolmanOrchestrator 
