Im Si Wan as Hwang Dong Ju
He is the head of the Bureau of Taxation at the National Tax Service. Dong Ju has an unstoppable personality and always believes in his competence.
Ko Ah Sung as Seo Hye Young
Meanwhile Seo Hye Young (Ko Ah Sung) is an investigator under the Bureau of Taxation. She has a confident and unique personality and also leads her team with excellent intuition dan investigation.
Son Hyun Joo as In Tae Joon
On the other side, Tae Joon is an ambitious central regional tax office who also has an intense personality.
Park Young Woo as Oh Young
In the past, Oh Young has a position at the Bureau of Taxation, but now focuses on his company career.
Read also: Time of Memory – Cast & Summary
- Park Ji Il as Baek Seung Ryong
- Chu Sang Mi as Min So Jung
- Kim Do Hyun as Jo Jin Ki
- Jeon Bae Su as Jang Jung Il
- Yeon Je Wook as Park Sung Ho
- Yoo Dong Hun as In Do Hun
- Lee Gyu Hoe as Lee Ki Dong
- Kim Guk Hee as No Sun Joo
- Lee Jung Sic as Kim Young Tae
- Moon Won Ju as Go Dong Won
- Moon Sun In as Kim Han Bin
- Lee Chang Hoon as Ryu Yong Shin
- Jo Seung Yoon as Seo Young Jae
- Park Min Su as Hwang Dong Ju (young)
- Park Ho San as Hwang Cheol Min
OST (Original Soundtrack)