Special Guest Stars Colm Meaney as Miles O'Brien Denise Crosby as Lt. Tasha Yar Guest Stars Patti Yasutake as Alyssa Ogawa John de Lancie as Q Andreas Katsulas as Tomalak Clyde Kusatsu as Admiral Nakamura Co Starring Majel Barrett Roddenberry voices Computer Pamela Kosh as Jessel Tim Kelleher as Lieutenant Gaines Alison Brooks as Ensign Nell Chilton Uncredited Martha Hackett as Alien Captain Stephen Matthew Garvin as Ensign
