Idiom suggestions for 'made an impact'
Solution 1:
You can use the idiomatic expression,
leave (one's) mark:
To do something that will be remembered or that makes one famous or successful; to do something that is very important or meaningful.
- The actress first left her mark with her incredible performance as Lady Macbeth on Broadway.
(The Free Dictionary)
So you could say:
- Franco Zeffirelli left his mark on the movie industry following his release of 'Romeo and Juliet'
Solution 2:
For a very large impact, a paradigm shift, the term quantum shift would be appropriate.
- With his movie 'Romeo and Juliet', Franco Zeffirelli brought about a quantum shift in the world of film.
Collins Cobuild defines the related terms quantum leap / quantum jump:
A quantum leap or quantum jump in something is a very great and sudden increase in its size, amount, or quality.
- The vaccine represents a quantum leap in healthcare.
An example from ReversoContext is
The revolution in digital technology has brought about a quantum shift in the way we communicate with one another.