Hal Holbrook averages 6.49 across 33 rated films as an actor, ahead of Peter Hyams at 5.97 as a director.
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
 Capricorn One | 1978 | 6.8 | Director, Writer | as Dr. James Kelloway |
| The Star Chamber | 1983 | 6.4 | Director, Writer | as Benjamin Caulfield |
