In one of the prestigious restaurants during banquet speech a large company's director Palmgren is killed in front of dozen guests . Case is lead by Criminal Investigation Officer Pierre Monson with his assistants. Suspect can be easily intercepted if only miserably lazy police officers Kvant and Kristiansson instead of catching criminal would not argue with father of little 3 years old boy who yelled: "Police, police, mashed potatoes" when they ate hot dogs. Help comes from capital in form of the famous Commissioner Martin Beck, who discovers that murdered industrialist was involved in illegal activities and had many enemies. The case is linked as well with government's "higher ends".
as Per Månsson
as Martin Beck
as Benny Skacke
as Backlund
as Karl Kristiansson
as Kurt Kvant
as Paulsson
as Viktor Palmgren
as Miss Grengren
as Helena's mother
as Arnold, Helena's father
as Åsa Thorell
as Sara, Bruberg's secretary
as Charlotte Palmgren
as Baroness
as Helena Hanson
as Bruberg
as Mats Linder
as Edwardsson
as Inspector Mogensen
as Restaurant owner
as Stewardess
as Bertil Svensson
as Witness
as Man in black who follows #1
