The Eiger Sanction (1975)

The Eiger Sanction is a 1975 US crime thriller film. It features Clint Eastwood, George Kennedy, Vonetta McGee, Jack Cassidy, Heidi Brühl, and Thayer David. Classical art professor and collector Dr. Jonathan Hemlock, who doubles as a professional assassin, is coerced out of retirement to avenge the murder of an old friend.