Hilarie Burton posted about it today on her Twitter:
— Hilarie Burton Morgan (@HilarieBurton) October 30, 2018
Stephen Colletti also made an announcement from his Twitter:
— Stephen Colletti (@StephenColletti) October 26, 2018
And Chad Michael Murray announced the convention news from his Instagram:
Guests will include: Chad Michael Murray (Lucas Scott), James Lafferty (Nathan Scott), Hilarie Burton (Peyton Sawyer), Joy Lenz (Haley James Scott), Shantel VanSanten (Quinn James), Stephen Colletti (Chase Adams), Barbara Alyn Woods (Deborah Lee Scott), Jackson Brundage (Jaime Scott), and Lee Norris (Mouth McFadden).