He appeared frequently on television and received an Emmy Award nomination for the "Hallmark Hall of Fame" videotaped play "The Invincible Mr. Disraeli" (1963). In 1957, he appeared in "Beyond This Place", directed by Sidney Lumet. Hatfield's other television credits include three guest appearances on "Murder, She Wrote" opposite his "Picture of Dorian Gray" costar Angela Lansbury, who had become a lifelong friend, and who had a home in County Cork. He also appeared as the villain in the second episode of "Voyage to the Bottom of the Sea", titled "The City Beneath the Sea". He appeared in "Alfred Hitchcock Presents" in "None Are So Blind", which first aired October 28, 1956.