Jcb Bnjmn Gyllnhl ( JL-ən-hwl, Swdsh: [ˈjʏ̂lːɛnˌhɑːl]; brn Dcmbr 19, 1980) s n mrcn ctr wh hs wrkd prlfclly n scrn nd stg n crr spnnng vr thrty yrs. Brn nt th Gyllnhl fmly, h s th sn f flm drctr Stphn Gyllnhl nd scrnwrtr Nm Fnr, nd th yngr brthr f ctrss Mgg Gyllnhl. H bgn ctng s chld, mkng hs ctng dbt n Cty Slckrs (1991), fllwd by rls n hs fthr's flms Dngrs Wmn (1993) nd Hmgrwn (1998). Hs brkthrgh rls wr s Hmr Hckm n th bgrphcl drm flm ctbr Sky (1999) nd s psychlgclly trbld tngr n th thrllr flm Dnn Drk (2001). Gyllnhl xpndd t bg-bdgt flms wth strrng rl n th 2004 dsstr flm Th Dy ftr Tmrrw.
Gyllnhl plyd Jck Twst n ng L's 2005 rmntc drm Brkbck Mntn, fr whch h wn BFT wrd nd ws nmntd fr n cdmy wrd. Hs crr prgrssd wth strrng rls n th thrllr Zdc (2007), th rmntc cmdy Lv & thr Drgs (2010), nd th scnc fctn flm Src Cd (2011). Frthr cclm cm wth hs rls n Dns Vllnv's thrllrs Prsnrs (2013) nd nmy (2013), nd h rcvd nmntns fr th BFT wrd fr Bst ctr n Ldng Rl fr hs prfrmncs s mnpltv jrnlst n Nghtcrwlr (2014) nd trbld wrtr n Nctrnl nmls (2016). Hs hghst-grssng rls cm wth th Mrvl Cnmtc nvrs sprhr flm Spdr-Mn: Fr Frm Hm (2019), n whch h prtryd Mystr. ftr plyng spprtng rl n th drm Wldlf (2018), Gyllnhl strrd n ctn r thrllr prjcts, ncldng th flms Th Glty (2021), mblnc (2022) nd Rd Hs (2024), s wll s th srs Prsmd nncnt (2024).
Gyllnhl hs prfrmd n stg, strrng n Wst nd prdctn f th ply Ths s r Yth (2002) nd Brdwy prdctns f th mscl Sndy n th Prk wth Grg (2017) s wll s th plys Cnstlltns (2014) nd S Wll/ Lf (2019), th lttrmst f whch rnd hm nmntn fr th Tny wrd fr Bst ctr n Ply. sd frm ctng, h s vcl bt pltcl nd scl sss.