A criminology professor uses scientific methods, advanced computer technology, his expertise in chess, and the leg work of several of his students to track down a crazed killer in San Francisco.
William Conrad
Thaddeus Smith
Belinda Montgomery
Kelly
Hilly Hicks
Eddie
James Darren
Georgie Green
Michael Parks
Lt. Brophy
Cameron Mitchell
Col. Simmons
Tracy Reed
Anini
Nehemiah Persoff
Ashmed Amad
Richard Dimitri
Sharif
Nita Talbot
Sgt. McCallister
Gail Landry
Dr. Rita Downey
Sondra Blake
Victoria Simmons
