*** SPOILER ALERT ***
Both appear in the new Star Trek movie, Nimoy uncredited.
*** ANOTHER SPOILER ALERT (DIDN’T YOU PAY ATTENTION THE FIRST TIME?) ***
Peter Weller, who had the title role Buckaroo Banzai (discussed here recently), plays a strident Starfleet admiral in the new movie.
[Thanks to John King Tarpinian for the story.]