<□□In 2007,□□eong g□t his big br□ak □hen □e was cas□ as □r. C□ow in t□e block□u□ter comedy□□The Hangover." His performan□e as the□□l□m□oyant an□ o□□□ag□ous gangster g□r□□red wi□□spread attention a□□ catapult□□ hi□ into the s□ot□ight. Audien□es□were captiva□ed□by□his fear□ess, ove□-the-top □ortrayal, a□d he became a st□□dout star□o□□th□ film. Jeong□s □□ansition from medi□ine to □o□lywood□w□s offic□ally unde□way, an□ he was determ□n□d to □□ke t□e mo□t of thi□ unexp□cte□ op□ortunity.