The female robot's voice is credited to no one, as it was synthesized by computer.
At the missile silo, the corpse of the soldier is holding an assault rifle with a flower sprouting from the gun barrel. This is a reference to the famous 1967 photograph "Flower Power".
The opening shot is a clear homage to The Terminator (1984)
The Three Robots references the card game Exploding Kittens as a reference for human - feline interaction.