Moon SookSim Young-hee (Mo-mi's mother) Kim Ha-neulKim Mi-mo (child) Jang Won-youngExecutive manager Kim Park Ga-youngDaehan HR dept. staff Son Dam-biSelf (archive footage) Park Keun-rok@HandsomeMonk Hong Seok-binPolice captain Do Mi-yeonDaehan employee (elevator) Park Moo-yumDaehan employee (rooftop) Park Jun-hwanDaehan employee Kim Jong-hoDetective Seo Yong-jin Heo Dong-wonDetective Choi Jong-hun Kim Sang-jiKim Chun-ae (teen) Lee Jun-youngChoi Bu-young Kim Hye-hwaHostess club manager Moon Jong-upPrince member Jeong won-cheolPrince member Yoon Sa-bongYe-chun's mother Kim Hee-changYe-chun's father Kim Eun-kyungCashier (eps 7) Kim Ji-naPrison Officer (eps 7) Kim Yong-hoonDirector / Writer / Executive Producer Son Sang-bumExecutive Producer Oh Gwang-huiExecutive Producer Moon Seok-hwanExecutive Producer Ryu Seong-hieProduction Design Seol Ha-woonSpecial Effects Makeup Artist Choi Se-yeonCostume Design Seong So-wonMakeup & Hair Pee Dae-sungSpecial Effects Makeup Artist Song Jong-heeSpecial Effects Makeup Artist Park Jin-youngDigital Intermediate Jang Young-gyuOriginal Music Composer Lee Sang-junProduction Sound Mixer Kim Byung-inSound Supervisor Lee Bok-seonLine Producer Park Kyung-sooSpecial Effects Supervisor Kim Chang-seokSpecial Effects Supervisor Ryu Geon-huiVisual Effects Yang Il-seokVisual Effects 
