as Herbert Carter

as Porter

as Roger Bronson

as Judge

as Dr. Sherman - Graham's physician at inquest

as George Rennit, private investigator

as Minister

as Museum Director Barton

as Duncan

as Dr. van Arken

as Judge Prentiss

as Higgler

as Frederick

as Storekeeper

as Rankeillor

as Mr. Briggs (uncredited)

as Professor O'Neill

as Dr. Danson (uncredited)

as Timothy Helgelander (uncredited)

as Undertaker (uncredited)

as Josiah Borden

as Dr. Fawcette (uncredited)

as John Hayes

as Dr. Henry Bender

as Jan

as Party Guest (uncredited)

as Frank Smith

as Dr. Gallen Altheim

as Bullard

as Dr. Galt (uncredited)

as Hastings' Butler (uncredited)