Daniel Handler Creator, Executive Producer Neil Patrick Harris Count Olaf Actor Patrick Warburton Lemony Snicket Actor Malina Pauli Weissman Violet Actor Louis Hynes Klaus Actor Presley Smith Sunny Actor K. Todd Freeman Mr. Poe Actor Lucy Punch Esmé Squalor Actor Avi Lake Isadora Quagmire Actor Dylan Kingwell Duncan Quagmire, Qugiley Quagmire Actor Sara Rue Olivia Caliban Guest Star Roger Bart Vice Principal Nero Guest Star Nathan Fillion Jacques Snicket Guest Star Barry Sonnenfeld Executive Producer, Director Rose Lam Executive Producer