Q.1
Which future Starfleet officer appeared on Cheers in a Season 4 arc as one of Sam's romances?
Katherine Mulgrew (Star Trek Voyager's Capt. Janeway)
Nana Visitor (Star Trek: Deep Space Nine's Major Kira)
Denise Crosby (Star Trek: The Next Generation's Lieutenant Tasha Yar)
Nichelle Nichols (Star Trek's Uhura)