The voice of ALF was performed by Paul Fusco , who was also the character’s creator and primary puppeteer.

Who voiced ALF?

  • Paul Fusco provided ALF’s distinctive speaking voice throughout the original 1986–1990 TV series.
  • Fusco also operated the main ALF puppet on set, coordinating with assistant puppeteers for the character’s hands, facial movements, and ears.

A bit more background

  • Paul Fusco is an American puppeteer and producer who developed ALF with writer Tom Patchett, then brought the character to life on screen.
  • In shots where ALF needed to appear full‑body and walking, the character was portrayed in costume by performer Michu Meszaros, while Fusco still remained the character’s voice.

TL;DR: The voice of ALF was Paul Fusco, who also created and puppeteered the character.

Information gathered from public forums or data available on the internet and portrayed here.