Hanns Lothar (born Hans Lothar Neutze; 10 April 1929 – 11 March 1967) was a German film actor. He appeared in 36 films between 1948 and 1966. He was born in Hannover, Germany and died in Hamburg, Germany. He was the father of actress Susanne Lothar. Lothar remains perhaps best known to international audiences as Schlemmer, James Cagney's devoted German assistant, in Billy Wilder's comedy One, Two, Three (1961). He died suddenly from renal colic problems at 37 years.