Career
He began his professional career in 1982, starring in the West End musical Yakety Yak. He has since worked extensively in British theatre and on screen. In 1989 he starred as Mickey in the West End hit musical Blood Brothers.
In 1990 he played Johann Strauss in the international mini-series, The Strauss Dynasty.
In 1993 he created, co-produced and starred in the award-winning British Broadcasting Corporation drama The Hanging Gale. He portrayed the character of Sean Reynolds in Emmerdale from 1999 to 2002.
In 2003 he starred with Jamie Theakston in the hit West End play "Art". In 2006 he played the role of the Reverend Shaw in the original West End cast of the musical Footloose.
He can currently be seen playing Doctor Turner in British Broadcasting Corporation television series Call the Midwife.
McGann is also a public speaker and communicator of science, having graduated from Imperial College London with a masters degree in Science Communication. He was a guest speaker at the Cambridge Science Festival in March 2015, and published a guest essay in The journal of the Royal Society of Medicine in April 2015, discussing issues of medical accuracy and communication in Call the Midwife.