“A Character Actor is a Supporting Actor who plays unusual, interesting or eccentric characters. The term, often contrasted with that of leading actor, is somewhat abstract and open to interpretation. … The term is used primarily to describe television and film actors.” https://en.wikipedia.org › wiki › Character_actor

“A Supporting Actor is an actor who performs a role in a play or film below that of the leading actor(s), and above that of a bit part. In recognition of important nature of this work, the theater and film industries give separate awards to the best supporting actors and actresses.”  https://en.wikipedia.org/wiki/Supporting_actor