Secret Diary of a Call Girl Main cast, played by Callum Blue Episode 2x01: Episode 1 (Sep 11, 2008) Episode 2x02: Episode 2 (Sep 11, 2008) Episode 2x03: Episode 3 (Sep 18, 2008) Episode 2x04: Episode 4 (Sep 25, 2008) Episode 2x05: Episode 5 (Oct 2, 2008) Episode 2x07: Episode 7 (Oct 16, 2008) Episode 2x08: Episode 8 (Oct 23, 2008)