Ekin Cheng plays the role of a aircrewman officer named Matthew Ko. Matthew has a friend who is a pilot at the Goverment Flying Service (GFS) named Benjamen Yip. Matthew has a girlfriend who has been in a coma for three years and her name is Carrie Hong.

* Ekin Cheng
* Bowie Lam
* Charmaine Sheh
* Shirley Yeung
* Chris Lai Lok Yi
* Linda Chung
* Charles Szeto
* Kanin Ngo