Charlie Kaufman has cast Paul Reubens in his upcoming musical comedy ”Frank or Francis.”Reubens will play a film critic in the pic which Anthony Bregman is producing. A satire of Hollywood set to music, “Frank or Francis” chronicles the back-and-forth between a movie director and an online blogger who delights in berating his cinematic talent. Nicolas Cage, Steve Carell and Jack Black topline the pic, Kaufman’s sophomore feature, while thesps Kevin Kline and Elizabeth Banks round out the cast. Reubens most recent recent credits include the Todd Solondz drama “Life During Wartime” as well as Broadway tuner “The Pee-wee Herman Show,” which was nominated for three Emmys. Reubens also has a Pee-wee movie in development at Universal with Judd Apatow producing. He is repped by WME.