The Radio Times has this to say about Karim Zeroual is no stranger to stages, having starred in a series of West End productions after attending Sylvia Young’s Theatre School.
Notable performances include a stint in Chitty Chitty Bang Bang at the London Palladium, The Far Pavillions at the Shaftesbury Theatre and The Lion King at the Lyceum.
Obviously he's not done ballroom/Latin before but he definitely knows how to dance.