Robert Redford played the character Alexander Pierce in "Avengers: Endgame." Alexander Pierce is a former Secretary of S.H.I.E.L.D. and a high-ranking Hydra agent, originally introduced in "Captain America: The Winter Soldier." In "Endgame," Pierce appears in a brief cameo during a time travel sequence to the year 2012, where he is seen debating humorously with Tony Stark over the ownership of the Tesseract. This role was Redford's final on-screen film appearance before his retirement from acting.