Marthe Keller

The Formula -- While investigating the murder of a friend, a cop discovers a secret plot related to a formula to make gasoline without using oil.

Marathon Man -- Dustin Hoffman (Rainman) plays the likeable graduate student and marathon runner of the title, unwillingly trapped in a killing game of intrigue involving a Nazi fugitive, Christian Szell.

While investigating the murder of a friend, a cop discovers a secret plot related to a formula to make gasoline without using oil. Although the original formula was discovered by the Nazis during WWII, the knowledge has spread. The cop becomes caught between the people who want to use the formula and the oil companies who want to suppress it.

Black Sunday is the powerful story of a Black September terrorist group attempting to blow up a Goodyear blimp hovering over the Super Bowl stadium with 80,000 people and the President of the United States in attendance. Robert Shaw plays an Israeli commando who discovers the plot, masterminded by Marthe Keller with the help of deranged Vietnam veteran Bruce Dern. Director John Frankenheimer creates a chilling portrait of people obsessed with a cause for which they will die. In the exciting finale, Dern and Keller navigate the lethal airship into the terror-stricken stadium, pursued by Shaw in a helicopter, climaxing one of the most unusual chases in movie history.