John P. Ryan averages 6.16 across 22 rated films as an actor, ahead of Larry Cohen at 5.55 as a director.
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
| It's Alive | 1974 | 5.8 | Director, Producer, Writer | as Frank |
| It Lives Again | 1978 | 5.2 | Director, Producer, Writer | as Frank Davis |
