as Silvane (uncredited)
as Prof. Grabowski
as Douglas (uncredited)
as Tyboria Captain
as Zio di De Espinosa
as British General
as Hotel Doorman in Paris
as Concierge
as il portiere dell'albergo
as Dr. Cornfield
as Roman Senator
as banchiere
as Parker
as Lester's Chief
as Bill Stryker
as Surgeon (uncredited)
as Drunken Butler (uncredited)
as Lord Chamberlain
as Giuliano da Sangallo
as Professor Chesi
as Zookeeper #1
as Sir Bryan
as Dr. Carini (uncredited)
as Innkeeper (uncredited)
as Il turista inglese
as maestro
as Prof. Henry Wassermann
as American Consul (uncredited)
as Il Lord
as Uncle E. Dodds
as Don Alfredo
as Porter (uncredited)
as Man reciting repetitive prayers (uncredited)
as ufficiale americano
as Captain
as Signor Guidi
as Colonel Webb
as Dr.Andrews
as Herbert Peters
