President Trump -- who fired Flynn "because he lied to the Vice President and the FBI"
Vice President Pence -- who acknowledged the lies and said, "the President made the right decision [to fire] him."
Acting Attorney General Sally Yates
DOJ National Security Division Chief Mary McCord
Federal prosecutors assigned to Special Counsel (see attached plea documents)
Judge Rudy Contreras who accepted the guilty plea. A judge cannot accept a plea without a factual basis.
Judge Emmet Sullivan who took the same plea in DEC 2018. Judge Sullivan noted the lies were material in a separate written order.
Michael Flynn -- who declared "under penalty of perjury that it is true and correct." See attached plea documents.
Link: https://www.justice.gov/file/1015126/download