Paul Douglas

as Pop Larkin

as Professore Golfiero Paganica

as Rocco

as Mike Wilson

as Edward L. McKeever

as Vic Leonard

as Josiah Walter Dudley

as Calvin B. Marshall, the American

as Harry Phillips

as Andrew McBain

as Hector Woodruff

as Guffy McGovern

as Police Ofcr. Charlie Dunnigan

as Capt. Tom Warren

as MSgt. Henry "Hank" Kowalski

as Monk Lanigan

as Porter Hollingsway