<Li> Wrenn Schmidt as Diane Marsh , a CIA analyst who works under Martin Schmidt . Similar to Schmidt , she believes that the CIA is uniquely positioned to combat terrorist attacks and therefore decides to conceal information from the FBI . The character is based on at least three people within the CIA including Alfreda Frances Bikowsky . </Li>
who is diane marsh based on looming tower
at least three people within the CIA including Alfreda Frances Bikowsky