(written from a Production point of view)
David Hurst (born 8 May 1926; age 91) is an actor who appeared on Star Trek: The Original Series, playing Ambassador Hodin in the third season episode "The Mark of Gideon". He filmed his scenes on Thursday 31 October 1968 at Desilu Stage 10.
He has also made guest appearances on such television series as Mission: Impossible, The Monkees, The Mod Squad (starring Clarence Williams III and Tige Andrews), McCloud (starring Diana Muldaur), and Quincy (with Robert Ito and Garry Walberg).
Hurst co-starred with Julie Newmar, Fritz Weaver, Alan Oppenheimer, Arthur Batanides, and Garry Walberg in the 1969 comedy The Maltese Bippy. He also had supporting roles in such classic feature films as Hello, Dolly!, Kelly's Heroes (with Perry Lopez and Tom Troupe), and The Boys from Brazil (with John Rubinstein).