Everett and Penny are legally married but estranged, with Penny believing Everett is dead.
Tommy Johnson joins Everett's group and becomes a core member of their musical act.
George Nelson provides financial support to Everett and his companions during their journey.
Pappy O'Daniel holds the political power to grant pardons, which he uses to free Everett's group.
Explore the full interactive character relationship map of O Brother, Where Art Thou?