Lon Chaney Jr. as Charles "Butcher" Benton

Max Showalter as Lt. Richard Chasen

Marian Carr as Eva Martin

Ross Elliott as Paul Lowe

Stuart Randall as Capt. John Lauder

Ken Terrell as Joe Marcelli

Robert Foulk as Harry

Peggy Maley as Francine

Roy Engle as Desk Sergeant

Robert Shayne as Dr. Bradshaw

Joe Flynn as Bradshaw's Assistant

Eddie Marr as "Carney"

Madge Bennett as Drunken Frump

Madge Cleveland as Witness to Ellis's Death

Marjorie Stapp as Jimmy's Girl

Rita Greene as Carney's Girl

Dorothy Ford as Tall Stripper

Marvin Press as "Squeamy" Ellis (uncredited)

Lyle Latell as Police Sergeant (uncredited)

Russell Custer as Police Officer (uncredited)

Fred Rapport as Observer at Crime Scene (uncredited)