Tom Hagen: I'm an attorney for the Corleone family. These men are private detectives hired to protect Vito Corleone. They are licensed to carry firearms. If you interfere you'll have to appear before a judge in the morning and show cause.
When Sonny is punching Carlo under the spraying fire hydrant, he misses an audible punch by at least six inches.
The infant playing Connie and Carlo's baby son that Kay holds during the christening scene is Sofia Coppola, Francis Ford Coppola's daughter. Sofia later had a prominent role in Part III as Michael's daughter, Mary.