Haskell may refer to:
- Guard at CONTROL headquarters whose description of a fleeing suspect leads to the identification of Emilio Naharana as the thief of the drug Immobilo from the CONTROL lab. Portrayed by Robert J. Stevenson [Episode #10: "Our Man in Leotards"].
- Dr. Carl Haskell - renegade scientist who claims to have invented an invisibility ray gun. Portrayed by Gregory Morton [Episode #5: "Now You See Him, Now You Don't"].