Exhibit 21.1

|Subsidiaries of Regal Entertainment Group       |  | Jurisdiction of Organization
|----------------------------------------------- |  | ----------------------------
|Act III Cinemas, Inc.                           |  | Delaware                    
|Act III Inner Loop Theatres, Inc.               |  | Delaware                    
|Act III Theatres, Inc.                          |  | Delaware                    
|A 3 Theatres of San Antonio, Ltd.               |  | Texas                       
|A 3 Theatres of Texas, Inc.                     |  | Delaware                    
|CDP Limited Liability Company                   |  | California                  
|Eastgate Theatre, Inc.                          |  | Oregon                      
|Edwards Theatres, Inc.                          |  | Delaware                    
|Florence Theatre Corporation                    |  | California                  
|Frederick Plaza Cinemas, Inc.                   |  | Maryland                    
|General American Theatres, Inc.                 |  | Oregon                      
|Green Hills Commons, LLC                        |  | Tennessee                   
|Hoyts Cinemas Corporation                       |  | Delaware                    
|Interstate Theatres Corporation                 |  | Massachusetts               
|Morgan Edwards Theatre Corporation              |  | California                  
|Multimatic Displays, Inc.                       |  | New York                    
|Next Generation Network, Inc.                   |  | Delaware                    
|Ochtel Partnership                              |  | New York                    
|Orix RAM Montgomery Venture General Partnership |  | Illinois                    
|Palace Suite, Inc.                              |  | New York                    
|RAM/UA-KOP, LLC                                 |  | Delaware                    
|R and S Theaters, Inc.                          |  | Mississippi                 
|R.C. Cobb, Inc.                                 |  | Alabama                     
|RCI/RMS, LLC                                    |  | Delaware                    
|Regal Cinemas Bonds Corporation                 |  | Delaware                    
|Regal Cinemas Corporation                       |  | Delaware                    
|Regal Cinemas Holdings, Inc.                    |  | Delaware                    
|Regal Cinemas, Inc.                             |  | Tennessee                   
|Regal CineMedia Corporation                     |  | Virginia                    
|Regal CineMedia Holdings, LLC                   |  | Delaware                    
|Regal Entertainment Holdings, Inc.              |  | Delaware                    
|Regal Entertainment Holdings II, LLC            |  | Delaware                    
|Regal Gallery Place, LLC                        |  | District of Columbia        
|Regal Investment Company                        |  | Colorado                    
|Regal Stratford, Inc.                           |  | Tennessee                   
|Rio Rich Theatres Ventures                      |  | California                  
|San Francisco Theatres, Inc.                    |  | California                  
|Siam UATC Company Limited Thailand Corp.        |  | Thailand                    
|Staten Theatre Group                            |  | New York                    
|Staten Theatre Group II                         |  | New York                    
|TEMT Alaska, Inc.                               |  | Alaska                      
|UAGG Theatre Operating Corp.                    |  | New York                    
|UA Mexico Holdings, S.A. de C.V.                |  | Mexico                      
|UA SHOR LLC                                     |  | Delaware                    
|UA Swansea, LLC                                 |  | Tennessee                   
|United Artists/Pacific Media Joint Venture      |  | Colorado                    
|United Artists Properties I Corp.               |  | Colorado                    
|United Artists Realty Company                   |  | Delaware                    
|United Artists Singapore Theatres Pte. Ltd.     |  | Singapore                   
|United Artists Theatre Circuit, Inc.            |  | Maryland                    
|United Artists Theatre Company                  |  | Delaware                    
|                                                |  |                             

---



|United Artists Theatre Group, LLC |  | Delaware  
|--------------------------------- |  | ----------
|United Cinema Corporation         |  | California
|United Stonestown Corporation     |  | California
|Vogue Realty Company              |  | California

2

---



QuickLinks