'Dallas' London premiere (15 images)

American actors Patrick Duffy, Jesse Metcalf and Larry Hagman attend the launch of Channel 5's "Dallas" at Old Billingsgate in London on August 21, 2012. UPI/Rune Hellestad

American actors Patrick Duffy and Larry Hagman attend the launch of Channel 5's "Dallas" at Old Billingsgate in London on August 21, 2012. UPI/Rune Hellestad

American actor Larry Hagman attends the launch of Channel 5's "Dallas" at Old Billingsgate in London on August 21, 2012. UPI/Rune Hellestad

American actor Larry Hagman attends the launch of Channel 5's "Dallas" at Old Billingsgate in London on August 21, 2012. UPI/Rune Hellestad

American actor Larry Hagman attends the launch of Channel 5's "Dallas" at Old Billingsgate in London on August 21, 2012. UPI/Rune Hellestad

American actor Jesse Metcalf attends the launch of Channel 5's "Dallas" at Old Billingsgate in London on August 21, 2012. UPI/Rune Hellestad