William Shatner is to appear at Boston Comic Con 2016 to mark the 50th anniversary of the hit television series Star Trek.
The actor - who played Captain James T Kirk on the iconic show - will appear at the convention at the Seaport World Trade Centre on August 12.
That day Boston baseball stadium Fenway Park will host a Star Trek 50th Anniversary Night.
William, 85, will throw out the first pitch before the Red Sox play the Arizona Diamondbacks.
The convention runs from August 12 to 14.
The actor will also attend on the second day when he will meet with Star Trek fans.
The convention will feature appearances by well-known comic artists and celebrity guests, a charity art auction, a film festival and a costume contest.