A nucleated red blood cell, or NRBC, is a red blood cell (RBC) that retains nucleus. Normally, NRBCs are only found in the circulation of fetuses and newborn infants. nucleated red blood cell, or NRBC, is a red blood cell (RBC) that retains nucleus. Normally, NRBCs are only found in the circulation of fetuses and newborn infants.
The fan series Star Trek: Phase II has featured three actors in the role of Spock. Spock was portrayed by Jeffrey Quinn for the pilot and first three episodes, by Ben Tolpin in episodes 4 and 5, and by Brandon Stacy in episodes 6 through 11. Stacy also served as a stand-in for Zachary Quinto in the 2009 Star Trek film.
Landau turned down the role to play Rollin Hand, the master of disguise on Mission: Impossible. Later, during the fourth and fifth seasons, Leonard Nimoy, who did play Spock, starred in Mission: Impossible as Paris. Nimoy's character was designed to replace Rollin Hand after Martin Landau left the show at the end of the third season. 11.