Murder Boy
Cast
Leads

Charismatic and manipulative cult leader of Gratitude Ministries. Claims to be a mind reader, uses a spiritual approach to control those around her. Prone to sudden violence.
Margaret Wellington
Annalee Autum
A young woman raised from the dead by Margaret Wellington as a child. Quiet but harbors dark sociopathic fantasies. Uses spirit power rituals to reclaim control over her life.
Celo
Angelina Gault19

Celo's boyfriend caught in indecision and infidelity. Highly susceptible to control rituals. Driven to extreme violence by the end.
Montey
Gabe FontanaEarly 20s
Supporting

A wealthy, elitist young woman having an affair with Montey. Views him as a status symbol. Cruel toward Celo.
Kelsey
AJ Albrecht
Early 20s

Celo's biological mother. Practitioner of traditional spirit power and the spaghetti method. Her body is later found floating in the Pacific Ocean.
Miranda
Taneisha Figueroa
20s–30s (Flashback)

Celo's biological father. Deeply skeptical of Margaret Wellington. Died in what is described as a ritual sacrifice.
Javier
Antonio Lambertis
20s–30s (Flashback)
Featured / Minor

Featured in pivotal flashback sequences where she is deathly sick. The miracle child who seizures and comes back to life just as Margaret Wellington is about to bury her in the backyard.
Celo (Young)
Cielo
Toddler / Young Child

The AC repairman. Polite, arrives late at night. Becomes the victim of Margaret Wellington's hospitality after drinking drugged water.
Lenny
Caden Finch
30s–50s

Kelsey's "bestie." The more vocal and aggressively judgmental of the two friends. Drives the elitist dialogue at the college, using intellectualized language to mock others while reinforcing Kelsey's sense of superiority.
Jenny
Nora Shiervani
Early 20s

Kelsey's "bestie." Acts as the primary enabler and sounding board. While Jenny often leads the mockery, Maria provides the emotional validation Kelsey craves, constantly nodding along and fueling Kelsey's frustrations regarding Montey.
Maria
Julia von der LanckenEarly 20s