Moffat also made guest appearances in numerous television series, including such shows as Little House on the Prairie, Dr. Quinn, Medicine Woman, and The West Wing.
After completing his studies at the local King Edward VI School and a period of national service in the Army from 1949 to 1951, Moffat trained at the Royal Academy of Dramatic Art in London.
[2] He joined APA (The Association of Producing Artists), a repertory company on Broadway, and was nominated for a Tony for Best Actor in a Play in 1967 for his roles in revivals of Henrik Ibsen's The Wild Duck and Pirandello's Right You Are If You Think You Are.
[8] He also appeared in many Broadway and Off-Broadway plays, including John Guare's A Few Stout Individuals (as Ulysses S. Grant),[9] The Heiress,[10] The Cherry Orchard,[11] Much Ado About Nothing,[12] The School for Scandal,[12] The Affair[13] and Hamlet.
[14] Among Moffat's best-known film roles are as Lyndon B. Johnson in The Right Stuff (1983), the corrupt U.S. president in Clear and Present Danger, and as Garry, the station commander in The Thing.
[18] He also appeared in Columbo, The West Wing, Dr. Quinn, Medicine Woman and Tales of the City, in which his performance as dying executive Edgar Halcyon earned him many new fans.