The film “I am Bialik” is a combination of two genres: docu-fantasy and mockumentary. The director, who is also the film’s protagonist, Aviv Talmor, sets out to discover why his father denied his fatherhood throughout his life, up until his dying day. Along the way, Talmor meets with lawyers, the employees of a DNA lab, his mother, and a nephew of the disavowing father. At the nephew’s, he finds a...