Cyril Cusack averages 7.06 across 23 rated films as an actor, ahead of David Niven at 6.57.
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
| The Fighting Pimpernel | 1949 | · | as Sir Percy Blakeney | as Chauvelin |
| Soldiers Three | 1951 | · | as Captain Pindenny | as Private Dennis Malloy |
| Where the Spies Are | 1965 | · | as Dr. Jason Love | as Rosser |
