| Clue | Source | Date |
|---|---|---|
| He was named by The Prodigy on their debut single (6) | ||
| Oscar-winning Cliff Robertson title role | New York Times | 13 Sep 2018 |
| Oscar-winning Cliff Robertson title role | ||
| 1968 Cliff Robertson movie | Wall Street Journal | 13 Oct 2016 |
| 1968 sci-fi film set in Boston | ||
| 1968 title role for which Cliff Robertson won an Oscar | ||
| Best Actor title role of 1968 | ||
| Cliff Robertson's 1968 Oscar role |