With no explanation, label each line with "O", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Shortly
thereafter
,
actors
Ari
Barkan
,
Scott
Thomas
,
Daniel
Henshall
,
Michael
Villar
,
Justin
Wilson
,
and
Russel
Posner
joined
the
cast
.
Shortly:O
thereafter:O
,:O
actors:O
Ari:person-actor
Barkan:person-actor
,:O
Scott:O
Thomas:O
,:O
Daniel:person-actor
Henshall:person-actor
,:O
Michael:person-actor
Villar:person-actor
,:O
Justin:person-actor
Wilson:person-actor
,:O
and:O
Russel:person-actor
Posner:person-actor
joined:O
the:O
cast:O
.:O