Starring:
Kim Sun Ah - Kim Sam Soon
Hyun Bin - Hyun Jin Hun
Jung Ryu Won - Yoo Hee Jin
Daniel Henney - Henry Kim

Other cast:
Kim Ja Ok - Park Bong Sook
Lee Ah Hyun - Kim Yi Young
Na Moon Hee - President Na Hyun Sook
Yoon Ye Hee - Secretary Yoon Hyun Sook
Suh Ji Hee - Hyun Mi Joo
Lee Kyu Han - Min Hyun Woo
Lee Yoon Mi - Jang Chae Ri
Yeo Woon Kye - Manager Oh
Kwon Hae Yyo - Chef Lee Hyun Moo
Han Yeo Woon - Baker Lee In Hye
Kim Hyun Jung - Captain Jang Young Ja

Screenwriter: Kim Do Woo
Producer: Kim Yoon Chul

Synopsis and Episode Guide of the drama can be found here:
MBC
Spcnet Review by il_mare
Another Spcnet Review by il_mare
HanCinema
Thanks to cairo and manderley_angel~!
Nice detailed analysis of MNIKSS