Special Guest Stars Jonathan Frakes as Captain William Riker Gates McFadden as Dr. Beverly Crusher Michael Dorn as Worf Michelle Forbes as Ro Laren Guest Stars Todd Stashwick as Captain Liam Shaw Ashlei Sharpe Chestnut as Ensign Sidney La Forge Kirk Acevedo as Krinn Co Starring Joseph Lee as Lt. Matthew Arliss Mura Jin Maley as Ensign Kova Rin Esmar Stephanie Czajkowski as Lt. T'Veen Amy Earhart voices Titan Computer Tiffany Shepis as Dr. Ohk Grace Lee voices La Sirena Computer Hope Brown as Transport Officer Alessandro Garcia as Intrepid Security Officer #1 Justin Dobies as Bridge Security Officer William Greenburg as Male Changeling Ensign John Pope as Young Ensign Tarina Pouncy as Intrepid Security Officer #2