Nk'uko abashakanye, batangiye akazi ku nyandiko y'ishusho mbere gato yuko premiere ya firime ya mbere - mu Kuboza umwaka ushize - kandi ukomeze kubyandika kugeza ubu. Abashakanye bemeye ko amahirwe yo gukora ku mateka yerekeye umuhango wo gutanga umugani harimo abatinda kuri bo, kuko bo ubwabo bakazamutse ku bitabo bya Conan Doyle. Mallini yongeyeho ko batigera bahuza na kamere ya firime kandi studio buri gihe ibasaba kugabanya inyandiko kugirango ikiguzi gifite miliyoni 30-50 z'amadolari make.
Naho abakozi b'ibitekerezo ku ishusho, ni ubuhe buryo butangaje, ntushobora guhangayikishwa n'Umuyobozi - Umusore umwe Richie azakurwaho, uruhare runini ruzakorwa na Robert Downey ML. Na Yuda hasi, ariko kwitabira umushinga Brad Pitt uvugwa. Birahumeka ko umukinnyi ashobora gukina umwarimu moriarty. Izina rya Pitt hamwe niyi ntwari ryahujwe mbere yuko hasohokera igice cyambere cyishusho. Nyuma yamakuru make yibinyoma byarashwe muri firime, amakuru yagaragaye ko umukinnyi aracyaganira ku buryo runaka bwo kugira uruhare muri uyu mushinga, ariko icyemezo cya nyuma nticyari cyemewe.