(written from a Production point of view)
Roxy D'Alonzo is a special make-up effects artist whose credits include Star Trek Nemesis and Star Trek: Enterprise. She was nominated for an Emmy Award for Outstanding Prosthetic Makeup for a Series for her her work on the ENT episode "Canamar". On Enterprise, she did for example the make-up for the background alien portrayed by Hilde Garcia in the episode "Rajiin". 
D'Alonzo has worked on many films and television series since the 1980s. Her films have included Super Mario Bros., Screamers, Galaxy Quest, The Scorpion King (starring The Rock), The Princess Diaries 2: Royal Engagement (starring Chris Pine), Poseidon, Flags of Our Fathers, and Dreamgirls. For television, she has worked on Buffy the Vampire Slayer, Angel, J.J. Abrams' Alias, Las Vegas (starring Nikki Cox), Close to Home, Cold Case, House (starring Jennifer Morrison), and all three CSI series.