MATCH (mo:Movie)-[r:ACTED_IN]-(ao:ShowbizPerson) WITH mo,AVG(mo.released-ao.born) AS ao ORDER BY ao DESC LIMIT 1 MATCH (my:Movie)-[:ACTED_IN]-(ay:ShowbizPerson) WITH mo,ao,my, AVG(my.released-ay.born) AS ay ORDER BY ay ASC LIMIT 1 RETURN mo, my, ROUND((ao-ay)*100)/100