The 37-year-old hopes that she will be able to expand her family, reports contactmusic.com.
"I would one day eventually love another child if I am blessed that way. I hope I will be," InStyle magazine quoted Friel as saying.
The "Heavy Water War" star is currently dating actor Rhys Ifans.
Friel has been seen in films like "London Boulevard", "Rogue Trader" and "All for Love".