Alastair Stewart nasceu o 22 de junho de 1952. É ator, conhecido pelo seu trabalho em Bad Girls (1999), Emmerdale Farm (1972) e Bonkers (2007). É casado com Sally Ann Jung desde o 8 de abril de 1978 e tem quatro filhos.
Stewart rejoined ITN part-time to become the Overnight Voice of the ITV News
Channel, alongside Angela Rippon, in 2003, to cover the Iraq War. He
rejoined ITN full-time in 2004 when London News Network - LNN - got
axed by ITV in favour of ITN. Nowadays, he fronts a weekday news show "Live with Alastair Stewart", on the 24 hour ITV News Channel.