Main Characters
![Captain Ed Mercer](https://static.tvmaze.com/uploads/images/medium_portrait/123/309050.jpg)
Captain Ed Mercer
36 main appearances![Commander Kelly Grayson](https://static.tvmaze.com/uploads/images/medium_portrait/123/309054.jpg)
Commander Kelly Grayson
36 main appearances![Dr. Claire Finn](https://static.tvmaze.com/uploads/images/medium_portrait/123/309049.jpg)
Dr. Claire Finn
36 main appearances![Lt. Cmdr. Bortus](https://static.tvmaze.com/uploads/images/medium_portrait/123/309048.jpg)
Lt. Cmdr. Bortus
36 main appearances![Lt. Gordon Malloy](https://static.tvmaze.com/uploads/images/medium_portrait/123/309051.jpg)
Lt. Gordon Malloy
36 main appearances![Isaac](https://static.tvmaze.com/uploads/images/medium_portrait/123/309052.jpg)
Isaac
35 main appearances![Lt. Cmdr. John Lamarr](https://static.tvmaze.com/uploads/images/medium_portrait/123/309053.jpg)
Lt. Cmdr. John Lamarr
35 main appearances![Klyden](https://static.tvmaze.com/uploads/images/medium_portrait/181/454155.jpg)
Klyden
20 main appearances![Lt. Cmdr. Talla Keyali](https://static.tvmaze.com/uploads/images/medium_portrait/181/454154.jpg)
Lt. Cmdr. Talla Keyali
20 main appearances![Lt. Alara Kitan](https://static.tvmaze.com/uploads/images/medium_portrait/123/309047.jpg)
Lt. Alara Kitan
15 main appearances![Ensign Charly Burke](https://static.tvmaze.com/uploads/images/medium_portrait/411/1028588.jpg)