Pomeroy "Doc" Cannon (born Harry Roy Cannon) was an American actor who worked in Hollywood during the silent era.

He was known for playing villains and tough guys.

[1][2][3] Pomeroy was born in New Albany, Indiana, to Greenbury Cannon and Mary Austin.

He worked as a doctor before becoming an actor in Los Angeles, and was thus nicknamed Doc.

[1] This article about an American film actor is a stub.