The Changeling

George C. Scott portrays the character of John Russell, a composer who experiences supernatural occurrences in a haunted mansion.

Trish Van Devere plays Claire Norman, a historical society employee who assists John Russell in uncovering the mysteries of the mansion.

Melvyn Douglas takes on the role of Senator Carmichael, a friend of John Russell who provides support in investigating the paranormal events.

John Colicos portrays Captain DeWitt, a mysterious figure connected to the dark history of the mansion.

Barry Morse plays the role of a Parapsychologist who aids John Russell in exploring the supernatural phenomena within the house.

Madeleine Sherwood portrays Mrs. Norman, a key figure in the uncovering of the secrets held by the mansion.

Helen Burns plays Leah Harmon, a character tied to the chilling past of the haunted mansion.

Eric Christmas takes on the role of Albert Harmon, a character involved in the mysterious events surrounding the mansion.

Frances Hyland portrays Mrs. Grey, a character with a connection to the chilling history of the mansion.

Ruth Springford plays Minnie Huxley, a character who holds knowledge about the secrets hidden within the haunted mansion.

James B. Douglas portrays Eugene Carmichael, a character with ties to the otherworldly occurrences happening in the mansion.

J. Kenneth Campbell plays the Security Guard, a character who becomes entangled in the haunting events that unfold within the mansion.