导演 D. Ross Lederman

Insp. Steve Trent 拉尔夫·贝拉米

Betty Lane Shirley Grey

Helen Stanley Gail Patrick

Lee Davis Kane Richmond

George T. Noel Bradley Page

Karl Williams Vincent Sherman

Larry King (as Clifford Jones) Phillip Trent

Jimmy Arthur Rankin

Gibson Lucien Prival

Jack Baker 埃德温·邦德

Jessie Allen Helen Eby-Rock

Ballistic Expert 弗兰克·奥康纳

Electrician (uncredited) Charles Brinley

Detective #3 (uncredited) A.S. Byron

Wallach (uncredited) Stephen Chase

Motorcycle Officer (uncredited) Jack Cheatham

Electrician (uncredited) 埃德蒙·科博

Gateman (uncredited) Kernan Cripps

Guard #1 (uncredited) Budd Fine

Electrician (uncredited) Pat Harmon

Detective #2 (uncredited) A.R. Haysel

Doctor (uncredited) William Humphrey

Mr. Richardson - Studio Manager (uncredited) Edward Keane

Motorcycle Officer (uncredited) Sam Lufkin

Electrician (uncredited) Buck Mack

Property Man (uncredited) Frank Mills

Guard #2 (uncredited) Bruce Mitchell

Detective #1 (uncredited) Earl Pingree

Reilly (uncredited) Hal Price

Jennings (uncredited) Ky Robinson

Detective #4 (uncredited) Dick Rush

Radio Announcer (uncredited) Lee Shumway

Electrician (uncredited) Cap Somers

Double (uncredited) Ned Winchester