Beyond The Threshold

1879 – E.M. Forster, sci-fi writer (The Machine Stops)
1889 – Tom Dugan, actor (Hypernauts)

1901 – Ignatius Donnelly, sci-fi author, d @ 69 (Caesar’s Column, Atlantis: The Antediluvian World)
1909 – Dana Andrews, actor (Twilight Zone, Crack in the World, The Satan Bug, The Frozen Dead)

1910 – Russ Bender, actor (The Navy vs. the Night Monsters , The Satan Bug, Space Twilight Zone, Panic in Year Zero!, Probe Taurus, War of the Colossal Beast, Amazing Colossal Man, Invasion of the Saucer Men, Day the Earth Stood Still, It Conquered the World)

1927 – Barbara Baxley, actress (The Twilight Zone, Twilight Zone, ‘Way Out)

1930 – Ty Hardin, actor (Image of the Beast, I Married a Monster from Outer Space, The Space Children)

Ty Hardin in I Married a Monster from Outer Space.

 
1932 – Jacqueline Scott, actress (The Outer Limits, Empire of the Ants, Salvage 1, The Immortal, Twilight Zone)

Jacqueline Scott in The Outer Limits: The Galaxy Being

1933 – Norman Yemm, actor (Ultraman: Towards the Future)
1938 – Frank Langella, actor (Superman Returns, Robot & Frank, Parts Per Billion, The Time Being, The Box, 10.5: Apocalypse, Masters of the Universe, Star Trek: DS9)

1943 – Stanley Kamel, actor d @ 65 8 April 2008 (Dark Skies, Star Trek: TNG, Mork & Mindy, The Incredible Hulk)
1943 – Don Novello, actor (Atlantis: The Lost Empire)
1946 – Rick Hurst, actor (Return of the Killer Shrews, Earth Girls Are Easy, Starman, The Cat from Outer Space, The Six Million Dollar Man, The Girl With Something Extra)

1949 – Don Keith Opper, actor (Infection, Harsh Realm, Critters 1 – 4, Quantum Leap, Android)

1953 – The ABC radio series Tales of Tomorrow, intended as a companion to the network’s TV series of the same name, debuts, drawing most of its stories from Galaxy magazine. It continues only until April 9.

Tales of Tomorrow debuted

1954 – Richard Edson, actor (The Astronaut Farmer, Frankenfish, Strange Days, Attack of the 50 Ft. Woman (1993 TV), Howard the Duck)
1954 – Jodi Long, actress (RoboCop 3)
1957 – Madolyn Smith Osbourne, actress (2010)
1958 – Ren Woods, actress (The Brother from Another Planet)

1960 – Alexia Robinson, actress (Total Recall)
1961 – Mark Wingett, actor (War of the Dead)
1961 – Marcia Cross, actress (The Outer Limits)
1964 – DeDee Pfeiffer, actress (Journey to the Center of the Earth, AVH: Alien vs. Hunter)

1964 – Juliana Donald, actress (The X-Files, Babylon 5, Star Trek: DS9, Star Trek: TNG, Superboy)
1969 – Morris Chestnut, actor (V)
1969 – Verne Troyer, actor/stuntman (Men in Black / Rocketman, Volcano)

Verne Troyer in Men in Black

1969 – Sophie Okonedo, actress (After Earth, Doctor Who, Martian Child, Æon Flux, Doctor Who: Scream of the Shalka)
1969 – Barton MacLane, actor, d @ 66 (The Munsters, Dr. Jekyll and Mr. Hyde, The Walking Dead)

1970 – Gabriel Jarret, actor (Real Genius)

1975 – Arthur Pierson, producer, d @ 73 (Renegade Satellite, Beyond the Moon, Blast Off, Forbidden Moon, Manhunt in Space, Menace from Outer Space, The Cold Sun, The Magnetic Moon, The Robot of Regalio, Silver Needle in the Sky, Rocky Jones Space Ranger, Crash of Moon, Duel in Space)

1980 – Christopher Redman, actor (Stargate SG-1)
1981 – Jonas Armstrong, actor (Edge of Tomorrow)
1982 – Victor Buono, actor, d @ 43 (Man from Atlantis, Moonchild, Beneath the Planet of the Apes, Voyage to the Bottom of the Sea)
1986 – Colin Morgan, actor (Doctor Who)
1987 – Jeff Gulka, actor (The X Files, Stargate SG-1, Millennium)

1994 – Cesar Romero, actor, d @ 86 (Buck Rogers in the 25th Century, The Computer Wore Tennis Shoes, Latitude Zero, Lost Continent)

1997 – Joan Rice, actress, d @ 66 (The Horror of Frankenstein)
1998 – Lara Robinson, actress (Childhood’s End, Knowing)

2001 – Ray Walston, actor, d @ 86 (‘Way Out, My Favorite Martian, The Incredible Hulk, Star Trek: Voyager, Buck Rogers in the 25th Century, Galaxy of Terror, Otherworld, Misfits of Science, The Stand)
2002 – Meg Wyllie, actress, d @ 84 (Star Trek, Twilight Zone)
2003 – Cyril Shaps, actor, d @ 79 (The Invisible Man, Unidentified Flying Oddball, Doctor Who, Out of the Unknown, Quatermass II)
2005 – Robert Fortier, actor, d @ 78 (The Outer Limits, Star Trek)
2009 – Edmund Purdom, actor, d @ 84 (2019: After the Fall of New York)