The Dark

William Devane

Roy Warner, aka Steve Dupree

Cathy Lee Crosby

Zoe Owens

Richard Jaeckel

Det. Dave Mooney

Keenan Wynn

Sherman 'Sherm' Moss

Warren J. Kemmerling

Police Captain Speer

Biff Elliot

Detective Jack Bresler

Jacquelyn Hyde

De Renzy

Casey Kasem

Police Pathologist

Vivian Blaine

Cortney Floyd

John Bloom

The Dark

Bill Derringer

Herman Burmeister (as William Derringer)

Jay Lawrence

Jim, the newscaster