Complex sentence: He also toured with Mrs. Brown's Boys in July 2015 in their live show "How Now Mrs Brown Cow" playing the role of Dermot whilst Paddy Houlihan was on paternity leave.
Split into simpler sentences: He also toured with "Mrs. Brown's Boys" in July 2015, with their live show "How Now Mrs Brown Cow". He played the role of Dermot whilst Paddy Houlihan was on paternity leave.