Robert T. Ironside
Det. Sgt. Ed Brown
Mark Sanger
Fran Belding (credit only)
Karen Muller
Craig Carlson (as Lee Harcourt Montgomery)
Joe Muller
Ted Carlson (as Lawrence Casey)
Sgt. Larry Carr
F.B.I. Agent Bill Murray
Commissioner Dennis Randall
Sally Carlson
Elizabeth Collin
John Porter Thompson
Doris Griffin
F.B.I. Agent Bob Hill
Photodrop Girl
Paul (The Body) (as Robert K. Dornan)
Carol Palmer
Roy Eng
Photo Lab Foreman
Airline Agent (as Andy Johnson)
Special Delivery Man (as William Benedict.)