The below article from the BBC shares thought from Mother and actress (IT crown and humans) Katherine Parkinson and her current boss Tamara Harvey, who has been documenting her juggles as a working Mum using the Twitter hashtag #workingmum
A BBC article, about possibility of job shares in theatres. I think it could cause disappointment if some people missed out on seeing a big star; but if it was clear which performer in each show at time of booking that is fine. Also when not heard of either name that is fine.