Cyril Cusack averages 7.06 across 23 rated films as an actor, ahead of Jack MacGowran at 6.58.
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
| The Rising of the Moon | 1957 | 6.7 | as Inspector Michael Dillon (1st Episode) | as Mickey J. - the poitín maker (1st Episode) |
| King Lear | 1971 | 7.2 | as Albany | as Fool |
