<Li> Gerard Monaco as Alexio, a local Greek fisherman . </Li> <Li> Anna Antoniades as Apollonia, Alexio's lover and later wife . </Li> <Ul> <Li> Björn Ulvaeus as a university professor . </Li> <Li> Benny Andersson as the pianist in the Parisian restaurant during "Waterloo". </Li> <Li> Jonathan Goldsmith as Rafael Cienfuegos, Fernando Cienfuegos's widower brother . </Li> </Ul> <Li> Björn Ulvaeus as a university professor . </Li>

Who had cameo roles in mamma mia here we go again