A.J. Cook appeared in Twin Peaks.
 Director David Lynch and most of the television cast returned for the film, with the notable exceptions of Lara Flynn Boyle, who declined to return as Laura's best friend Donna Hayward and was replaced by Moira Kelly, and Sherilyn Fenn due to scheduling conflicts
 In an interview promoting the second season of Riverdale, showrunner Roberto Aguirre-Sacasa remarked that "all roads on Riverdale lead back to Twin Peaks"

