Guest Stars Tara Rosling as President T'Rina Chelah Horsdal as Federation President Laira Rillak Ian Alexander as Gray Tal David Cronenberg as Dr. Kovich Adrian Walters as Cadet Taahz Gorev Seamus Patterson as Cadet Harral Amanda Arcuri as Cadet Val Sasha Co Starring David Benjamin Tomlinson as Lt. J.G. Linus Orville Cummings as Lt. Christopher Piotr Michael voices Shuttle Computer Patrick Haye as Ferin Avaah Blackwell as Lt. Ina Nck Name as Lt. Callum