N
- Alan Napier ("Passage on the Lady Anne")
- Tommy Nello ("Shadow Play")
- Barry Nelson ("Stopover in a Quiet Town")
- Ed Nelson ("Valley of the Shadow")
- Nels P. Nelson ("A Nice Place to Visit") (uncredited)
- Paul Nesbitt ("I Sing the Body Electric")
- Lois Nettleton ("The Midnight Sun")
- Dorothy Neumann ("Mr. Bevis")
- Paul Newlan ("The Brain Center at Whipple's")
- Julie Newmar ("Of Late I Think of Cliffordville")
- John Newton ("Person or Persons Unknown", "The Bard" (uncredited))
- Alex Nicol ("Young Man's Fancy")
- Barbara Nichols ("Twenty Two")
- Leonard Nimoy ("A Quality of Mercy")
- Stuart Nisbet ("In Praise of Pip") (uncredited)
- James Nolan ("A Penny for Your Thoughts")
- Jeanette Nolan ("The Hunt" and "Jess-Belle")
- Maidie Norman ("The Masks") (uncredited)
- Karen Norris ("Stopover in a Quiet Town") (uncredited)
Read more about this topic: List Of The Twilight Zone (1959 TV Series) Guest Stars