This is the backstory of Hana and Joon Seung, characters in the series "MARS" on Nat Geo. The twin sisters are struggling to fit into their new home and find a ham radio, allowing them to develop a friendship with a female astronaut..
| Actor | Role |
|---|---|
| NNekhebet Kum JuchHana | Hana |
| UUatchet Jin JuchJoon | Joon |
| JJoyce WongLily | Lily |
| PPeter JuddAlbert | Albert |
| SShea GrantChristine | Christine |
| CCharlie SwanMadison | Madison |
| SStaci Stout BarbatiKatie | Katie |
 Julia Ford CollierDanielle | Danielle |
| TTony ScneinmanThrift Store Owner | Thrift Store Owner |
| GGary DesbienTruck Driver | Truck Driver |
| CCarl BalbachCarl | Carl |