Roscius
actor
actress
adversary
antagonistic
anti
antihero
archenemy
assailant
bad guy
barnstormer
bit
bit part
bitter enemy
cast
character
character actor
character man
character woman
child actor
combatant
competition
competitor
con
contender
counteracting
cue
devil
diseur
diseuse
dramatizer
enemy
fat part
feeder
foe
foeman
foil
heavy
hero
heroine
histrio
histrion
ingenue
juvenile
lead
lead role
antagonistic muscle
admirer
agonist
ally
champion
chieftain
colleague
comrade
critic
fighter
follower
neighbour
opponent
opposition
persecutor
predator
receptors
rival
supporter
warrior
protagonist