Secrets Can Kill - Carolyn Keene

Nancy Drew - Katherine McNamara

Bess Marvin - Olivia Holt

George Fayne - Brianna Hildebrand

Ned Nickerson - Ansel Elgort

Brenda Carlton - Vanessa Hudgens

Alan Wales - Austin Butler

Daryl Gray - Dylan Sprayberry

Connie Watson - Shannon Purser

Jake Webb - Asa Butterfield

Carla Dalton - China Anne McClain

Walt "Hunk" Hogan - Brandon Larracuente

Hal Morgan - Devin Druid

Mr. Parton - K. Todd Freeman