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A Core Contents Media rep told Newsen on April 15, "Although it is true that [Eunjung] received the scenario and casting offer for 'Doosaboo Begins', her casting has not been confirmed yet."

'Doosaboo Begins' is the fourth film in the series following 'My Boss, My Hero' (2001), 'My Boss, My Teacher' (2005), and 'The Mafia, The Salesman' (2007). Lee Jang Woo and Son Ho Joon are also in casting talks for the film. 'Doosaboo Begins', which will be directed by Park Sung Kyun, is set to crank in this summer!