 Maurice ChevalierLt. Nikolaus 'Niki' von Preyn | Lt. Nikolaus 'Niki' von Preyn |
 Claudette ColbertFranzi | Franzi |
 Miriam HopkinsPrincess Anna | Princess Anna |
 Charles RugglesMax | Max |
 George BarbierKing Adolf XV | King Adolf XV |
 Hugh O'ConnellNiki's Orderly | Niki's Orderly |
| MMaude AllenLady in Waiting (uncredited) | Lady in Waiting (uncredited) |
 Granville BatesBill Collector (uncredited) | Bill Collector (uncredited) |
 Harry C. BradleyCount Von Holden (uncredited) | Count Von Holden (uncredited) |
 Carrie DaumeryLady in Waiting (uncredited) | Lady in Waiting (uncredited) |
| LLudwig HeinsichMan (uncredited) | Man (uncredited) |
| CCornelius MacSundayEmperor Franz Josef (uncredited) | Emperor Franz Josef (uncredited) |
 Elizabeth PattersonBaroness Von Schwedel (uncredited) | Baroness Von Schwedel (uncredited) |
| JJanet ReadeLily (uncredited) | Lily (uncredited) |
| WWerner SaxtorphJoseph (uncredited) | Joseph (uncredited) |
| KKarl StallMaster of Ceremonies (uncredited) | Master of Ceremonies (uncredited) |
 Robert StrangeColonel Rockoff (uncredited) | Colonel Rockoff (uncredited) |
 Charles WagenheimArresting Officer (uncredited) | Arresting Officer (uncredited) |
