FILE - This Feb. 14, 2013 file photo shows actress Greta Gerwig at the photo call for the film "Frances Ha" at the 63rd edition of the Berlinale, International Film Festival in Berlin. Gerwig was cast in the pilot for the "How I Met Your Mother" spin-off called "How I Met Your Dad," which CBS passed on. CBS Entertainment Chairman Nina Tassler said Thursday, July 17, 2014, the network wants to stay in business with show creators and said CBS would love the opportunity to take another shot. (AP Photo/Markus Schreiber, file)