Actor BioDaughter of Poseidon, Ravenclaw Quidditch Captain and future companion to the Doctor. Actor Information Gender Orientation:Cisgender Woman Sexual Orientation:Heterosexual Characters There are 2 characters listed for this actor; none are dead. Cassie Clark tv-hdThe Late Nell Avery (regular) Lisa tv-hdDog People (regular) Share this:Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)This page was last edited on December 25th, 2017.