After eight “Harry Potter” films and a handful of dark indies, Daniel Radcliffe is ready to tackle a new chapter of his career: the romantic comedy. Radcliffe and “Ruby Sparks” star Zoe Kazan are set to topline “The F Word,” an indie pic from Canadian shingle No Trace Camping whose title refers to the dreaded “friend” zone.“Goon” helmer Michael Dowse will direct from a script by Elan Mastai (“The Samaritan”) that appeared on the 2008 Black List. David Gross and Jesse Shapira of No Trace Camping (“Goon”) will produce along with Marc Stephenson and Hartley Gorenstein. Dowse and Jeff Arkuss will exec produce with NHO Entertainment’s Mark Costa and Ford Oelman. Story follows Wallace (Radcliffe) and Chantry (Kazan), a pair of twentysomethings who meet at a party and hit it off. However, Chantry has a long-term boyfriend, so with the best intentions and a little denial, they decide to confront the challenge of being just friends. Pic is based on the play “Toothpaste and Cigars” by T.J. Dawe and Michael Rinaldi. Production starts Aug. 15 in Toronto, and additional casting is under way. Entertainment One Films has acquired worldwide rights in all media to the pic and will sell all territories. eOne will also handle theatrical release of the film in the U.K. and Canada. UTA and Jamie Feldman will handle the sale of the US rights. Paul Young, who reps both Dowse and Mastai at Principato-Young Entertainment, was instrumental in getting the film out of Fox Searchlight so the duo could get the project financed out of Canada. Since graduating from the “Harry Potter” franchise, Radcliffe has toplined CBS Films’ sleeper hit “The Woman in Black,” which grossed more than $127 million worldwide. Thesp, who recently signed on to star in Mandalay Pictures’ adaptation of Joe Hill’s horror novel “Horns,” will next be seen playing Allen Ginsberg in John Krokidas’ indie “Kill Your Darlings.” He also earned strong reviews for his Broadway stint in “How to Succeed in Business Without Really Trying.” Kazan next stars as the title character opposite Paul Dano in Jonathan Dayton and Valerie Faris’ sophomore feature “Ruby Sparks,” a romantic comedy she wrote that Fox Searchlight will release on July 25. Thesp, who recently wrapped the Joss Whedon-scripted indie “In Your Eyes” and a feature adaptation of Neil LaBute’s play “Some Girl(s),” is currently filming indie dramedy “The Pretty One” with Ron Livingston and Jake M. Johnson. Radcliffe is repped by UTA, Artist Rights Group and attorney Fred Toczek. Kazan is repped by the Gersh Agency, Parseghian Planco and attorney Marcy Morris. Attorneys Jamie Feldman of LGNA&F and Arthur Evrensel of Heenan Blaikie are repping the production.