He probably is, and even if he isn't, he can afford to pay for seat selection.

Granted, celebrities may be more likely to book at short notice than the rest of us, but a classy celebrity tells their minions to book suitable seats at the time of reservation, rather than counting on the airline to inconvenience other travellers who *did* have the sense to plan ahead.

And even if it makes sense for BA to make space for Mr Fry + husband together in the front row, there is no logical reason why two other passengers should also be moved to make sapce for their "entourage" across the aisle.