Orson Welles (Kane), Joseph Cotten (Jedediah Leland / Reporter im Vorführraum), Agnes Moorehead (Mary Kane), Dorothy Comingore (Susan Alexander Kane), Ruth Warrick (Emily Monroe Norton Kane), Ray Collins (James W Gettys), Erskine Sanford (Herbert Carter / Reporter im Vorführraum), Everett Sloane (Herr Bernstein), William Alland (Jerry Thompson), Paul Stewart (Raymond), George Coulouris (Walter Parks Thatcher), Fortunio Bonanova (Matiste), Gus Schilling (The Headwaiter / Reporter im Vorführraum), Philip van Zandt (Herr Rawlston), Georgia Backus (Frau Anderson), Harry Shannon (Herr Jim Kane), Sonny Bupp (Kane III), Buddy Swan (Kane (8-jährig)), Alan Ladd (Reporter), Arthur O' Connell (Reporter)