John Ireland

Character: Investigator John Williams

Richard Denning

Character: Chief Investigator Paul Reagan

Suzanne Dalbert

Character: Margo Wayne

Robert Foulk

Character: Commander Jackson

Mike Connors

Character: Lt. Magrew (as Touch Conners)

Richard Avonde

Character: Buzz Olin

William Bryant

Character: FBI Agent in Montage (as William R. Klein)

Cicely Browne

Character: Blonde Woman

Tommy Farrell

Character: Agent Reynolds

Joseph Mell

Character: Box of Taffy Man at Penn Station

Robert Hunter

Character: Andy, alias Andre, an agent

Peter Marshall

Character: Leo Wayne