Related REST API resources?

Question

MySQL

Suppose there is a service like film search. How would it be more correct to organize the connection between such resources as "Film" and "Actor"? Is it correct to have multiple references for actors? /movie/{id}/actors and /actors/

Answer 1

SELECT * 
       FROM transport 
                 LEFT JOIN cities ON transport.city = cities.id 
       where cities.id = ??

Answer 2

If you need to separately get a list of actors, then you need to have a link /actors

Answer 3

there is no hard specification.
Both options are fine, and several options are fine too)