Guest Stars Tavi Gevinson as Cora Reed Birney as Dexter Harding Sr. Taylor Richardson as Babette Eno Grace Gummer as Margaret Alcott Co Starring Gaby Slape as Mia Farrow Ben Beckley as DP Tom O'Keefe as Frank Sinatra Seamus Mulcahy as Roman Polanski Mallory Portnoy as Peppy Nurse Nick Alexander as Oscars Host Janell Sexton as Nurse Lauren Hines as Vendor #1 Nhumi Threadgill as Vendor #2 Tim Webb as Fan Claire DeJean as Sharon Tate