Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE actor ( Musical_ID VARCHAR )
TABLE: CREATE TABLE musical ( Name VARCHAR, Musical_ID VARCHAR )

### Question ###
Show names of musicals and the number of actors who have appeared in the musicals.

### Accurate SQL ###

SELECT T2.Name, COUNT(*) FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID GROUP BY T1.Musical_ID