Randall Flagg hasn't been featured in The Stand.
Randall Flagg . Flagg first appeared in The Stand as a demonic figure who wreaks havoc after a plague kills most of the population . Aside from King 's novels , Flagg was featured in a television miniseries adaptation of The Stand ( played by Jamey Sheridan ) and the upcoming Dark Tower film adaptation ( played by Matthew McConaughey ) . He has also appeared in Marvel Comics ' adaptations of The Dark Tower and The Stand .