Calling a show from in the round is little different to a typical show. There is still only one lighting guy, one sound guy, etc.
The thing to look out for is the scene shifts / mechanicals. I'm not familiar with the play you're doing, so I'm not sure if there are any complex shifts to coordinate, but a badly done shift will be even more bad if performed in-the-round.
For some good info - i recommend getting a copy of Stage Management: A Guidebook of Practical Techniques by Lawrence Stern. Boston, Allyn and Bacon, 1974.
It's an older book, but its got some great advice and techniques for stage management in-the-round. See if a uni nearby has a copy.