Lub vev xaib lub sijhawm kawg tau sib tham nrog tus ua yeeb yam ntawm Harry Potter Daniel Radcliffen thiab nws tus huab cua uas yog tus tub uas muaj sia nyob, David Holmes. Thaum lub sijhawm ua yeeb yaj kiab ntawm qhov kawg ntawm kev xyaum 'schopopeia nyob rau hauv lub davhlau scene, kev raug mob sab nraub qaum tau raug mob thiab txij thaum lub rooj muaj log. Cascadal txoj haujlwm ntawm qhov kev ua haujlwm ntawm qhov no tau ua tiav, tab sis qhov kev raug mob tsis cuam tshuam kev phooj ywg ntawm Radciffe thiab Holmes.
Hauv kev xam phaj, cov phooj ywg tham txog kev ua haujlwm ntawm cov neeg ua haujlwm. Holmes hais tias:
Kuv tau los ua neeg xiam vim tias cov neeg xav saib ib zaj duab xis thiab hais tias: "Auj, yog ib qho kev ua kom yuam kev." Olivia Jackson thaum tua "lub abode ntawm kev phem" poob nws sab tes, thiab cov tsim ntawm zaj duab xis txaj muag ntawm kev them nyiaj tso rau nws. Peb muaj kev phom sij rau lwm tus neeg lom zem. Tag nrho lwm cov khw ua yeeb yaj kiab muaj cov khoom muaj nqis, thiab peb tsis yog. Thiab nws yog qhov tsis zoo.
Nws tau txais kev txhawb nqa los ntawm Radciffe:
Muaj ib tug dab neeg uas cascaders yog qhov ua tiav. Thaum cov neeg tuaj saib xyuas qee yam mob heev thiab txaus ntshai, lawv xav xav tias qhov no yog ib txoj kev ua duab computer los ua nws tsis muaj tseeb. Tab sis feem ntau nws tsis yog. Nws yog tsis yooj yim sua kom pleev xim nrog tus staircase tsis mob. Nws yog tsis yooj yim sua kom tsis muaj tseeb yuav tsum yog lub tshuab khob. Cia txawm tias thaum tua lub tsheb yuav mus qeeb dua ntawm qhov screen, nws tseem muab koj tso koj tseg. Caskaders tab tom nrhiav txoj hauv kev zoo tshaj plaws los tsim ib qho xwm txheej, tab sis tseem muaj mob los ntawm cov scenes no. Cov kev dag yog ib daim ntawv tshwj xeeb ntawm kev kos duab. Ua rau lawv zoo thiab nyab xeeb heev.
Thaum kawg ntawm kev sib tham nrog Radcliffe thiab Holmes, hu ua "Oscar" thiab rau cov ntaub ntawv ua yeeb yaj kiab zoo tshaj plaws, yog li kev hwm lub luag haujlwm rau lawv txoj kev nyuaj thiab phom sij.