Season 4 missions

Main characters

 * Captain John Kawolsky
 * Commander Scott Bradley
 * Major Richard Ransom
 * Lieutenant John Brown
 * Lieutenant Mike Cortez
 * First Lieutenant Julien Brack
 * First Lieutenant/Marine Captain Wolfgang West
 * Lieutenant (Junior Grade) Alan Christopher
 * Lieutenant (Junior Grade) Lee Armstrong
 * Ensign/Lieutenant (Junior Grade) Mitch Harris
 * Second Lieutenant Nikolai Nechayev
 * Gunnery Sergeant Jacob Abraham
 * Petty Officer/Master Chief Petty Officer Shelaf Greegy
 * Sergeant Jonathon Watson
 * Crewman/Petty Officer Safi Larson
 * Counselor Rena Ransom
 * Doctor Elizabeth Blackwell

Recurring characters

 * Fleet Admiral Chris O'Neill
 * Rear Admiral (Lower Half) John Norton (Ret'd)
 * Commander Justin Arturo
 * Lieutenant Commander Justin Conwell
 * Chronasian Knight Damiana
 * Chronasian Knight Kristi
 * Chronasian Knight Adrian
 * Chronasian Lord Aaron
 * Chronasian Prince Sean

Non-playing characters

 * Lieutenant (Junior Grade) Julian Bennett
 * Ensign Daniel Mayweather
 * Ensign Mick Roland
 * Ensign Jim Mayes
 * Ensign Fred Bradley
 * Chief Petty Officer Thomas Green
 * Crewman Joseph Daystrom
 * Crewman Joseph Remmick
 * Crewman Jim Smith

Storylines/ideas

 * John Kawolsky
 * Scott Bradley