
1) Mythological Greek character
Found on
https://www.crosswordclues.com/clue/actis

In Greek mythology, Actis (Ἀκτίς) was one of the Heliadae, a son of Rhodos and Helios. Actis, along with his brothers, Triopas, Macar and Candalus, were jealous of a fifth brother, Tenages`s, skill at science. They killed him and Actis escaped to Egypt. According to Diodorus Siculus, Actis built the city of Heliopolis in Egypt to honour his....
Found on
http://en.wikipedia.org/wiki/Actis

a son of Rhoda and Helius who, when banished from his home for fratricide, fled to Egypt, where he taught astrology. The Colossus of Rhodes was built in his honor.
Found on
https://www.infoplease.com/dictionary/actis
No exact match found.