A classical art professor and collector, who doubles as a professional assassin, is coerced out of retirement to avenge the murder of an old friend.
Not streaming on a subscription service in the US right now.
Starring Clint Eastwood, George Kennedy, Vonetta McGee, Jack Cassidy, Heidi Brühl, Thayer David, Reiner Schöne, Michael Grimm, Jean-Pierre Bernard, Brenda Venus