who plays walter in fringe?
John Noble
entailment
 In her 2011 book Into the Looking Glass : Exploring the Worlds of Fringe , author Sarah Clarke Stuart observed that two unrelated Fringe characters , Conrad Moreau of " The Transformation " and Moreau ( Brad Dourif ) of " The Day We Died " , are allusions to H.G. Wells ' 1896 novel The Island of Doctor Moreau . Both are " scientifically inspired men with questionable integrity , " while Wells ' Doctor Moreau is an " unethical researcher " who fell " under the overmastering spell of research , " in a vein similar to Walter . 

contradiction
 The Fringe team is brought to a nursing home , where Roscoe Joyce ( Christopher Lloyd ) , the former keyboardist of the band Violet Sedan Chair , was seen talking to his son Bobby ( Nick Ouellette ) who had died in 1985 , as well as evidence of an Observer . Walter Bishop ( John Noble ) , meeting his musical hero , requests to take Roscoe back to his lab to help Roscoe remember what his son said . Walter is able to help Roscoe remember much of his past since the loss of his son through therapy that includes helping Roscoe to recall his piano @-@ playing skills . Roscoe shortly recalls the conversation with his son , which was actually a message from the Observer September to Walter . September ( Michael Cerveris ) soon appears at the lab and requests to speak to Walter . 

contradiction
 The pilot episode of the television series Fringe premiered on the Fox network on September 9 , 2008 . The pilot was written by series creators J.J. Abrams , Alex Kurtzman , and Roberto Orci , and directed by Alex Graves . The episode introduces the character Olivia Dunham , portrayed by Anna Torv , an FBI special agent drawn into the world of applied fringe science . John Noble portrays Dr. Walter Bishop , a scientist formerly incarcerated in a mental institution for over seventeen years . Joshua Jackson plays his son , Peter , who is hired by Olivia to assist with Walter 's work . 

contradiction
 In October 2011 , TV Guide reported that Eion Bailey would be joining the series in a multi @-@ episode arc ; " True North " featured his first appearance as the Stranger . Other guest stars included Quinn Lord as Nicholas / Hansel , Karley Scott Collins as Ava / Gretel , Nicholas Lea as Michael Tillman / Woodcutter , Gabe Khouth as Mr. Clark / Sneezy , and David Bloom as Mr. " K " Krzyszkowski . Lord and Collins had previously guest starred in two Fringe episodes , as younger versions of Peter Bishop and Olivia Dunham . Collins appeared in " Subject 13 " alongside another actor who played Peter . 

contradiction
 Fringe began casting for an actress to play Walter 's wife Elizabeth in November 2009 . In their report , they were looking for a woman roughly forty years old who was described as being " strong ( yet broken ) , intelligent , attractive , likable , lovely and extremely versatile " . In December 2009 , Entertainment Weekly announced Irish actress Orla Brady had been cast as Elizabeth Bishop , a possible recurring character . Some critics questioned the casting , as they considered Brady to be too young and were unsure if she would appear in the present or a flashback sequence . 
