In addition , he has voiced several other characters in Rick and Morty .
He now works as a voice actor , most notably as the title characters of Rick and Morty , for which he is also co-creator , co-writer and executive producer with Dan Harmon .
In addition , executive producer has voiced several other characters in Rick and Morty .
He now works as a voice actor , most notably as the title characters of Rick and Morty , for which he is also co-creator , co-writer and executive producer with Dan Harmon .