Jemaine Clement Jemaine Actor, Writer Bret McKenzie Bret Actor, Writer Rhys Darby Murray Hewitt Actor Kristen Schaal Mel Actor Arj Barker Dave Actor David Costabile Doug Actor Frank Wood Greg Actor Liam Ferguson The Edge U2's Guitarist Guest Star Art Garfunkel Himself Guest Star Patton Oswalt Elton John Impersonator Guest Star Mary Lynn Rajskub Art Garfunkel Fanatic Guest Star Charles F. Rosenay Elton John Impersonator No. 2 Guest Star Brian Sergent New Zealand Prime Minister Brian Guest Star Andrea Weston American Woman Guest Star James Bobin Writer, Director Troy Miller Executive Producer Stu Smiley Executive Producer Tracey Baird Executive Producer