Vittorio De Sica

Cesare Celli

Raquel Welch

Juliana

Robert Wagner

Harry Price

Godfrey Cambridge

Benjamin 'Benny' Brownstead

Davy Kaye

Davey Collins (as Davey Kaye)

Francesco Mulè

Antonio Tozzi

Edward G. Robinson

Professor Samuels

Victor Spinetti

Captain Giglio

Yvonne Sanson

Teresa

Mickey Knox

Joe Ware