A Deputy District Attorney suspects that a nurse has been murdering her rich husbands and relatives by giving them unneeded insulin doses, but his superiors don't believe him.
Robert Conrad
Paul Ryan
Howard Duff
Lynn D. Compton
Diane Baker
Mary Brokaw
J.D. Cannon
Nicholas Devaney
Gerald S. O'Loughlin
Sgt. Andrushian
Alfred Ryder
Dr. Donald Stuart
Scott Brady
Sidney A. Cherniss Jr.
Carlos Romero
Bob Ramirez
Dana Elcar
Dr. Carl Enright
David Opatoshu
Dr. Rudolph Grainger
Patric Knowles
Charles Lloyd
Alan Hewitt
Judge Tanner
Fredricka Meyers
Vee Ryan
Chuck Daniel
Larry Triplett
Ford Rainey
Dr. Ellis Anders
Dean Harens
Judge Skinner
Howard Culver
Newscaster
Christopher Riordan
Ricky
Tony Martinelli
Editor
Boris Sagal
Director
Frank Comstock
Music
Alric Edens
Director of Photography
Robert Forward
Executive Producer
Ralph Ferrin
Assistant Director
Jack Webb
Harold Jack Bloom
Producer
George C. Webb
Art Direction
Writer