Metropolis_in_1927 and Blade_Runner in 1982 depicted the concept of a robot that could speak to people without being suspected as being artificial.
https://en.wikipedia.org/wiki/Metropolis_(1927_film)#Plot , http://classicscifi.blogspot.com/2007/11/metropolis.html
https://en.wikipedia.org/wiki/Blade_Runner#Plot
https://en.wikipedia.org/wiki/Cylon_(Battlestar_Galactica)#Humanoid
http://classicscifi.blogspot.com/2016/10/mission-galactica-cylon-attack.html
This was further depicted in the Battlestar_Galactica_(2004_TV_series)
https://en.wikipedia.org/wiki/Cylon_(Battlestar_Galactica)#Humanoid_cylons
https://paranormal-intersection.blogspot.com/search?q=robots
