William Postance

Characters played by William Postance

Sidney Prince — Sherlock Holmes (1916)

He is the heir apparent to a large empire and the former lover of Alice Faulkner's sister. During that affair he wrote incriminating letters, which later become the object of negotiations and a blackmail attempt. His upcoming marriage gives the documents immediate political and personal importance.

Career Overview

William Postance has 2 screen credits in a career dating back to 1916. Signature works include The Iron Woman, Sherlock Holmes. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.

Personal Facts

Known For
Acting
Known Credits
2

Known For

Frequent Collaborators

Credits