John Putnam

Richard Carlson

Ellen Fields

Barbara Rush

Sheriff Matt Warren

Charles Drake

Frank Daylon

Joe Sawyer

June

Kathleen Hughes

George

Russell Johnson

Pete Davis (uncredited)

Dave Willock

Dave Loring (uncredited)

Alan Dexter

Dr. Snell (uncredited)

George Eldredge

Bob, Dr. Snell's assistant (uncredited)

Brad Jackson

Sam (uncredited)

Edgar Dearing

Toby

Warren MacGregor

Corporal getting out of first staff car at crash site (unconfirmed)

Morey Amsterdam

Tom

Budd Buster

Posseman

Ralph Brooks

Dugan

Robert Carson

Mrs. Daylon (uncredited)

Virginia Mullen

Man

Ned Davenport

Deputy Reed (uncredited)

William Pullen

Radio Announcer (uncredited)

Richard H. Cutting

Perry

Whitey Haupt

Bob - Dr. Snell's Assistant

Bradford Jackson

Posseman

Kermit Maynard

Reporter with Dugan (extra) (uncredited)

Dick Pinner

Tom

George Selk