Main cast

• Aaron Yan 炎亞綸 as Lu Tian Xing 路天行 (Episodes 01 - 20)/Xiao Lu 小鹿 (Episodes 01 - 11, 20)

Lu Tian Xing (Episodes 01- 20) - Lu Tian Xing has been named the 21st century prodigy of the marketing industry. He has a creative mind that is able to come up with award winning creations and marketing ideas. One day he realizes that he has lost his sense of creativity and decides to take a three-month vacation from work in order to find his inspiration again. He disguises himself as Xiao Lu and enters the OZ company to become an employee.

Xiao Lu (Episodes 01 - 11, 20) - Lu Tian Xing's alter ego. He enters the OZ company as Xiao Lu and forms a close bond with his co-workers, particularly his boss, Tao Le Si.

• Tia Lee 李毓芬 as Tao Le Si 陶樂思

Tao Le Si tries to stay afloat by managing her late brother's advertising company OZ. She is a hard worker who is always optimistic. Despite her hard work, she finds it difficult to run the company as she continues to lose customers to the point where she can barely pay her workers/friends. One day, during heavy traffic, she meets Lu Tian Xing, who later arrives at her house offering to buy OZ. Due to this offer, she automatically assumes that Lu Tian Xing is a coldhearted man with evil intentions, thus having a bad first impression of him. She has no idea that Xiao Lu is Lu Tian Xing in disguise when he comes to work for her company.

Supporting cast

• Jack Li 李運慶 as Leo 翁立洋

Works at OZ as the creative director of advertising. He is a very loyal and serious person. People who don't know him describe him as a person who has a cold robotic personality. Only his colleagues know the real him and see him as a big brother. He is very close to Tao Le Si which causes him confusion on how he really feels about her.

• Katherine Wang 王凱蒂 as Xu Miao Miao 徐妙妙

Works at OZ as a creative visual designer and has been Tao Le Si's best friend since college. She has a playful and active personality and often acts like a teenage girl. She likes to use her designs and drawings to express her inner thoughts and emotions.

Other cast

• Edison Huang 黃懷晨 as Wang Ting Wei 王廷威

Works at Tian Ji Advertising Company as an executive assistant.

• Hope Lin 林可彤 as Helen Cao Hai Lun 曹海倫

Works at Tian Ji Advertising Company as an executive secretary.

• Beatrice Fang 方志友 as Li Huan Huan 李歡歡

Tian Xings's childhood friend who is in love with him.

• Kao Ying Hsuan 高英軒 as Li Qi Xuan / Lance 李奇軒

Tian Ji Advertising's Chief Operations Officer and Huan Huan's older brother.

• Chen Bor-jeng 陳博正 as Fu Bo 福伯

Tian Xing's butler as well as a servant to the Li family.

• Alixia Kim as Asa Xa

Tian Xing's personal maid who previously worked in a special maid latte cafe in Japan.

• Jian Chang 檢場 as Tao De Li 陶得力

Tao Le Si's father who is a Chinese herbal medicine specialist.

• Xie Qiong Nuan 謝瓊煖 as Hong Xiu Luan 洪秀鑾

Tao Le Si's mother who is a chiropractor.

• Evan Yo 蔡旻佑 as Tao Le Yuan 陶樂源

Tao Le Si's older brother and the founder of OZ Advertising Company.

• Yang Ming Wei 楊銘威 as Jia Gai Xian 賈蓋先

Works at OZ as an assistant director.