Gary Milner will be joining the cast as Sam Carmichael, to play alongside his real-life wife Sally Ann Triplett (Donna Sheridan). Additional new cast members will include Neil Roberts (Harry Bright), James Gaddas (Bill Austin), Charlotte Wakefield (Sophie Sheridan), Andreas Gyllander (Sky), Abiola Ogunbiyi (Ali), Tasha Taylor Johnson (Lisa), Steven Oliver (Pepper), and Liam Doyle (Eddie). At some performances, the role of Donna Sheridan will be played by Claire Poyzer.
Written by Catherine Johnson, with music and lyrics by Benny Andersson & Björn Ulvaeus, Mamma Mia! tells a tale of family and friendship to the sound of the music of Abba.