Sam Claflin has joined the cast of the dark comedy movie "The Worst", which also includes Keira Knightley. The film's ensemble cast may also feature other actors, including Alicia Vikander, Anthony Boyle, Tom Hollander, and Josh Finan, although the full and confirmed cast is not certain. The movie is described as a dark comedy, possibly a class satire with twists and turns, but details about the plot and other cast members are not consistently reported.