Q.E.D.
Professor Quentin Everett Deverill
Phipps
Charlie Andrews
Dr. Stefan Kilkiss / Dr. Stefan Kilkiss (voice)
Jenny Martin
Betsy Stevens
Richard Stevens
Kaiser Wilhelm II
Judge
Medium
Staff Officer
University President
Professor
Old Professor
Young Professor
German Commander
German Sergeant
German Corporal
Guest at Séance
Lady at Séance
Fisherman
Technician
