She is known for her role in the horror classics Beyond the Darkness and The Beyond.
In 1997, a few weeks before his death, Warbeck recorded an audio commentary for the laserdisc release of The Beyond with actress Catriona MacColl.
Movies reviewed inside the book include more popular films such as In the Mouth of Madness, Alien, Hellboy, The Thing, the cult classic Re-Animator as well as more obscure Japanese works such as Marebito and Uzumaki, Italian gore films (The Beyond) and even comedies (Cast a Deadly Spell).
For example, Regurgitated Guts was inspired by the film City of the Living Dead a.k.a. The Gates of Hell, Beyond the Unholy Grave was influenced by the movie The Beyond, and Zombie Ritual was inspired by Zombie, all of which were films directed by Italian director Lucio Fulci.