I thought I recognized Ellen Page as the guilty witness. I couldn't find her name listed in IMDB though.
The actress that played Bob Dylan was Cate Blanchett.
Danielle Lineker has: Played Reporter in "Silent Witness" in 1996. Played herself in "Loose Women" in 1999. Played Herself - Presenter in "Loose Women" in 1999. Played herself in "The ONE Show" in 2006. Played herself in "Pride of Britain Awards 2010" in 2010. Played Herself - Model and Actress in "The Vanessa Show" in 2011. Played Actress in "Bedside Manner" in 2012. Played Caroline in "Two Dancers" in 2012. Played Megan in "We Are the Freaks" in 2013.
Laura Bell Bundy was the original Elle Woods in Legally Blonde the musical but there are several others like Bailey Hanks who also played Elle Woods in smaller Broadway productions. Sheridan Smith played Elle in the London cast Lucy Durack played Elle in the original Australian tour. Hope this helps!
Tia Delma/calypso was played by the British actress Naomie Harris
The actress who played the role of Martha Jones on Doctor Who was Freema Agyeman.
Jessica Steen played Paula Cassidy
Dean Mason has: Played MP in "Guilty as Charged" in 2000. Played Prison Guard in "Legally Blonde" in 2001. Played Doctor in "Drifter: Henry Lee Lucas" in 2009. Played Father in "Alexander and the Terrible, Horrible, No Good, Very Bad Day" in 2014. Played CIA Agent in "Rescue Me" in 2014.
The actress who played Frasier's boss was Mercedes Ruehl.
E.T. was voiced by actress Pat Welsh.
The Main actress that played Mina was Wynona Ryder.
Ashley Blom has: Played Actress in "The Jbaer Show" in 2010. Played The Actress in "The Jbaer Show" in 2010. Played Alice in "The Jbaer Show" in 2010. Played Nurse in "A Streetcar Named Desire" in 2012. Played The Actress in "Tripping Balls" in 2013.
Emmanuelle Vaugier was the actress that played a dance teacher that Charlie Harper went after.