Johnny Haymer
Johnny Haymer  was an actor and comedian who appeared as the Sarpeidon constable in the  third season episode . He filmed his scenes on Friday  and Monday  at Paramount Pictures' European Town backlot, and at Desilu Stage 10.

Haymer had a long and steady career spanning nearly twenty-five years and in both film and television. He may be best known for his frequent role as Sergeant Zelmo Zale in the hit TV series M*A*S*H from 1974 through 1979. This series also starred  guest actor David Ogden Stiers.

Aside from Star Trek, Haymer made guest appearances on many other television series; in most of these, he co-starred with many fellow Star Trek performers. These include The Dick Van Dyke Show (in an episode also guest-starring Bert Remsen), The Wild Wild West (starring Michael Dunn), Gunsmoke (along with Joanne Linville), Mannix (with John McLiam), Hogan's Heroes (with Lee Bergere and Leslie Parrish), Adam-12 (with William Campbell and Vic Perrin), S.W.A.T. (with Paul Carr, Don Keefer, and Diana Muldaur), Baa Baa Black Sheep (with James Darren and John Larroquette), The Streets of San Francisco (with Darleen Carr and Ellen Geer), The Incredible Hulk (with Jon Lormer), Fame (with Madlyn Rhue), and Cagney & Lacey (in one episode starring Meg Foster and another with Carolyn Seymour and George D. Wallace). Haymer has also established himself as a voice actor, voicing characters in such popular animated series as Transformers and G.I. Joe.

He made his film debut in the 1968 comedy The Secret War of Harry Frigg, co-starring fellow TOS guest actor James Gregory. This was followed with appearances in such films as The Organization (1971, with Graham Jarvis and Garry Walberg), Another Day at the Races (1975, starring Dean Stockwell and Alan Oppenheimer and also featuring Barry Atwater), The Four Deuces (1976, in which he played one of the title characters), the science fiction classic Logan's Run (1976), the classic 1977 comedy Annie Hall (also featuring John Glover and Mark Lenard), Herbie Goes to Monte Carlo (1977, directed by Vincent McEveety), American Hot Wax (1978, with Hamilton Camp), …And Justice for All (1979, with Keith Andes and J.G. Hertzler), Samurai (1979; with Michael Pataki, Don Keefer, Walt Davis, Bob Minor, Tom Lupo, and Greg Barnett), and Open House (1987, with Adrienne Barbeau).

Haymer died of cancer in 1989 at the age of 69. His last on-screen acting appearance was a guest role an episode of Life Goes On, starring Bill Smitrovich and also guest-starring Ray Buktenica.

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Performers
TOS performers