Gene Kelly

~ as ~

Giovanni E. 'Johnny' Columbo

Teresa Celli

~ as ~

Isabella Gomboli

J. Carrol Naish

~ as ~

Louis Lorelli

Mario Siletti

~ as ~

Benny Danetta / Nino

Marc Lawrence

~ as ~

Caesar Xavier Serpi

Frank Puglia

~ as ~

Carlo Sabballera

Barry Kelley

~ as ~

Capt. Thompson

Carl Milletaire

~ as ~

George Allani / Tomasino

Eleonora von Mendelssohn

~ as ~

Maria Columbo

Peter Brocco

~ as ~

Roberto Columbo