I mean, obviously Leonard plays Spock throughout the whole film. But IMDB - and yes, I'm aware of how unreliable that site is, which is why I'm asking here
- says that he also played a non-Spock background role, part of the crowd scene in Mercy Hospital where they go to treat Chekov. Can anyone confirm?
Also, is it true that the WUB-WUB-WUB sound made by the probes is also Nimoy?

Also, is it true that the WUB-WUB-WUB sound made by the probes is also Nimoy?