In 2005, Collins starred in the ITV drama "The Last Detective" and in the BBC drama "The Family Man", alongside ex-EastEnder Daniela Denby-Ashe, which aired in March 2006. She starred in the West End musical "Daddy Cool", and while working during the night there shot sequences for a cameo in the short film "Broken" written and directed by Vicki Psarias, which went on to win the several international awards. She also featured in the film "Don't Stop Dreaming", released in 2007. She left "Daddy Cool" in January 2007 to shoot the "Doctor Who" episode "42".