Beyond The Threshold

1885 – Lionel Atwill, actor (House of Frankenstein, Frankenstein Meets the Wolf Man, Night Monster, The Ghost of Frankenstein, Man Made Monster, The Son of Frankenstein, Doctor X)

1904 – Paul Hartman, actor (The Reluctant Astronaut, Twilight Zone)
1909 – Terence De Marney, actor (Doctor Who, Twilight Zone, Die Monster Die!)

1918 – Roger Delgado, actor (Doctor Who, First Man into Space, Quatermass II)

Roger Delgado as The Master in the Doctor Who episode, Colony in Space.

1926 – Cesare Danova, actor (Tenticles, The Astral Factor, Gemini Man)
1926 – Robert Clary, actor (The Munsters Today)

1930 – Raymond St Jacques, actor (They Live, The Powers of Matthew Star, Starman, Voyagers!, The Bionic Woman, Gemini Man, The Invaders)

1933 – Joan Hackett, actress (The Terminal Man, Twilight Zone)

Joan Hackett in Twilight Zone

1938 – Michael J[oseph] Kurland, sci-fi author (Infernal Device)

1942 – Dennis Lipscomb, actor (Roswell, The Invisible Man, Lois & Clark, The X Files, SeaQuest 2032, WarGames, The Day After, The Powers of Matthew Star)
1944 – Roger Daltrey, actor (Strange Frequency 2, Sliders, Lois & Clark)
1944 – Dirk Benedict, actor (Battlestar Galactica, Earthstorm)

1947 – Dougal Dixon, sci-fi author (After Man)

1954 – Ron Howard, actor (Land of the Giants, Village of the Giants, Twilight Zone)

Ron Howard

1956 – Tim Daly, actor (Dr. Jekyll and Ms. Hyde)

1966 – JD Cullum, actor (Sliders, Lois & Clark, Star Trek: TNG)
1966 – John David Cullum, actor (Forever Young, Sliders, Lois & Clark, Star Trek:TNG)
1966 – Zach Snyder, director (Dawn of the Dead, Batman vs Superman: Dawn of Justice, Man of Steel)
1968 – Steve Marshall, actor (Night of the Creeps)

1971 – Cara Buono, actress (Hulk, From Other Worlds)
1973 – Jack Davenport, actor (FlashForward)
1974 – Mark-Paul Gosselaar, actor (Atomic Twister, Specimen, The Twilight Zone)

1976 – Luke Mayby, actor (28 Days Later)
1978 – Jensen Ackles, actor (Smallville)

1982 – Dominic Rains, actor (FlashForward)
1984 – Jackie Coogan, actor, d @ 69 (The Space Children)
1988 – Archie Goodwin, writer,d @ 50 (Marvel Comics and Warren Publications)

1993 – Terry Frost, actor, d @ 86 (The Monster Maker, Science Fiction Theatre, Adventures of Superman, Captain Midnight, Captain Video: Master of the Stratosphere, Mysterious Island)

2006 – Jack Wild, actor, d @ 53(Out of the Unknown)
2007 – Eddy Firestone, actor, d @ 86 (Conquest of the Earth, Galactica 1980, Buck Rogers in the 25th Century, Project U.F.O., Logan’s Run, The Astral Factor, The Invisible Man)

2012 – Phillip R Allen, actor, d @ 72 (Star Trek III: The Search for Spock, Probe, Mork & Mindy)