Simplify the following text for a Grade 7 native English-speaking person.
Original: A London production of the play reunited former Monkees Micky Dolenz and Davy Jones , who were also friends of Nilsson 's .
Simplified: Featured in the cast were Davy Jones and Micky Dolenz , both former members of the band The Monkees and long-time friends of Nilsson .