Kim Bum is a sexy mustached action bintang in pratonton for 'Hidden Identity' 

Kim Bum is a sexy mustached action star in preview for \'Hidden Identity\'

Actor Kim Bum is looking fine in a preview video for his upcoming drama, \'Hidden Identity,\' uploaded by tvN on June 5.

In this preview for the first episode on June 16, Kim Bum shows off his leaner figure, which he already talked about in a press conference, and his new action skills, showing that somehow, even though people thought it possible, he got even sexier.  His angst-filled gaze as he becomes a human weapon after the loss of a loved one shows additionally his honing of his acting skills.

SEE ALSO: Kim Bum shocks with his new lean look at \'Hidden Identity\' drama press conference

The first two episodes of the drama will air in a special 120-minute broadcast at 11 PM on June 16 via tvN!  Will you be watching?

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He lost a lot of weight and I can\'t wait to watch this drama.

He looks so grown! :o lol he was grown before, but wow. Looks interesting btw

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