Beyond The Threshold

1867 – Guy Boothby, sci-fi author
1889 – Douglass Dumbrille, actor (Twilight Zone)
1906 – Joseph Samachson, sci-fi author
1910 – Earnest K Gann, sci-fi author
1917 – Jane Dulo, actress, (The Lost Saucer, Soylent Green)
1917 – Robert Bray, actor (Twilight Zone, Rocky Jones Space Ranger, The Thing from Another World)
1918 – Jack McGowan, actor (The Brain, The Giant Behemoth)
1920 – Philip McCutchan, sci-fi author
1923 – Cyril Shaps, actor (The Invisible Man, Unidentified Flying Oddball, Doctor Who, Out of the Unknown, Quatermass II)

Cyril Shaps in Doctor Who.

 
1923 – Mike Dolinsky, sci-fi author and writer
1931 – Janice Elliott, sci-fi author
1932 – Jack Colvin, actor (The Terminal Man, The Invisible Man, Embryo, Exo-Man, The Bionic Woman, The Six Million Dollar Man, The Incredible Hulk)
1936 – Jim McMullan, actor (Virus, The Incredible Shrinking Woman, Beyond Westworld, The Bionic Woman, The Six Million Dollar Man)
1936 – Cliff Gorman, actor (Time Tunnel, The Six Million Dollar Man, The Bionic Woman, Stowaway to the Moon, Beyond Westworld, Probe, Virus)
1939 – Melinda Dillon, actress (Close Encounters of the Third Kind, The Twilight Zone, Space)

1947 – Susan Blommaert, actress (The X-Files, Edward Scissorhands)
1948 – William Zappa, actor (Mad Max 2: The Road Warrior, Farscape, Man-Thing)
1952 – John Lone, actor (Iceman)
1952 – Bob Ingersoll, sci-fi author
1952 – Beverly Johnson, actress (3rd Rock from the Sun, Lois & Clark, The Meteor Man)

1954 – Stephen Gallagher, sci-fi author and writer
1956 – Chris Carter, writer (The X-Files, Harsh Realm, The Lone Gunmen)
1957 – Lincoln Child, sci-fi author
1959 – Wayne Pygram, actor (Star Wars: Revenge of the Sith, Farscape, Time Trax, The Girl from Tomorrow)

1962 – T’Keyah Crystal Keymah, actress (The Creature of the Sunny Side Up Trailer Park, Quantum Leap)
1962 – Kelly Preston, actress (Battlefield Earth, SpaceCamp, Metalstorm: The Destruction of Jared-Syn)
1963 – Hiro Kanagawa, actor (M.A.N.T.I.S., Cyberjack, Sliders, The X-Files, Future Sport, First Wave, The Outer Limits, The Sixth Day, Seven Days, The Lone Gunman, Replicant, Stargate SG-1, Andromeda, The 4400, Masters of Science Fiction, Sanctuary, Hardwired, Fringe, Earth’s Final Hours, Doomsday Prophesy, Continuum, Caprica, The Day the Earth Stood Still, Millennium)
1964 – Christopher Judge, actor (Stargate, Doomed Planet, Mega Shark vs. Mecha Shark, Paradox, Stargate, Andromeda, First Wave)
1966 – Deborah Abela, sci-fi author
1967 – Bernard Beckett, sci-fi author
1969 – Aaron Rosenberg, sci-fi author
1969 – Tushka Bergen, actress (FreakyLinks, Journey to the Center of the Earth, Invisible Child, Mad Max Beyond Thunderdome)
1974 – Branden Williams b. 1974 (The X-Files)
1975 – Robin Parrish, sci-fi author
1976 – Jennifer Sky, actress (The Helix… Loaded, Cleopatra 2525, SeaQuest 2032)

1980 – Ashanti, actress (Mutant World, Resident Evil:Extinction)
1981 – Vanesa Tomasino, actress (Chupacabra vs. the Alamo, Defying Gravity, The X Files: I Want to Believe, Kyle XY, Absolute Zero, Smallville)
1982 – Nicole Garza, actress (Invasion)
1983 – Felicity Jones, actress (Doctor Who)
1984 – Lauren DeStefano, sci-fi author

1996 – Beryl Reid, actress, d @ 77 (Doctor Who)

2002 – Keene Curtis, actor, d @ 79 (Stargate: SG-1, Star Trek: Voyager, Logan’s Run, Strange New World, Stowaway to the Moon)
2002 – Dennis Patrick, actor, d @ 84 (The Twilight Zone, The Incredible Hulk, The Six Million Dollar Man, Lost in Space, The Time Travelers, Tales of Tomorrow)

2012 – Gary Collins, actor, d @ 74 (The Fantastic Journey, The Bionic Woman, The Six Million Dollar Man, King Kong vs. Godzilla)