Who plays Cornelius in Planet of the Apes?

Cornelius is played by Roddy McDowall.

What are Cornelius's abilities?

Cornelius's abilities include scientific research, astronautics, sign language, diplomacy, historical knowledge.

Cornelius has 4 mapped relationships in Planet of the Apes. Explore the interactive relationship map for details.

Occupation: scientist, historian, archaeologist.

Intelligent chimpanzee scientist and explorer from the future, key figure in ape history.

Alignment: Hero
Species: Enhanced_human
Abilities: Scientific research, Astronautics, Sign language, Diplomacy, Historical knowledge

Cornelius — Professional Scientific Colleague — Zira (Kim Hunter)
They work together as scientists within ape society.

Zira and Cornelius are identified as chimpanzee scientists who treat the injured astronaut and investigate his intelligence.
Cornelius — Conflict Institutional Adversary — Dr. Zaius (Maurice Evans)
Dr. Zaius uses official authority to oppose Cornelius's archaeological conclusions.

After Cornelius presents ancient human artifacts, Dr. Zaius charges Zira and Cornelius with heresy and destroys the evidence.
Cornelius — Alliance Escape Ally — Lucius (Lou Wagner)
Lucius supports the scientists during their dangerous escape.

Lucius helps Cornelius, Zira, the astronaut, and Nova escape and reach the archaeological site in the Forbidden Zone.
Cornelius — Alliance Escape Ally — Nova (Linda Harrison)
Cornelius helps secure Nova's freedom during the expedition.

Cornelius assists the escape that includes Nova and later travels with the group to the archaeological site.

Related entry on Wikidata (Q128983502), public domain (CC0).