Jack played the role of Rev. Tom Hereward in Call the Midwife, a BBC period drama series about a group of nurse midwives working in the East End of London in the late 1950s and 1960s.
The show stars Jessica Raine, Miranda Hart, Helen George, Bryony Hannah, Laura Main, Jenny Agutter, Pam Ferris, Judy Parfitt, Cliff Parisi, Stephen McGann, Ben Caplan, Emerald Fennell, Victoria Yeates,
