W 1961 ukończył Professional Children's School na nowojorskim Manhattanie. W pierwszych latach swojej kariery Walken występował w musicalach.
W 1959, jako 16-latek zadebiutował na Broadwayu – American National Theatre and Academy Theatre w roli Davida w uhonorowanej nagrodą Pulitzera sztuce Archibalda Mac Leisha J. Z racji swej specyficznej urody z reguły był obsadzany w rolach psychopatów, szaleńców i ludzi pozostających na marginesie życia.
He is pictured during his defense testimony before he was sentenced to death His wife Mary Jane (top left) and his three children Zach, four (far right), Sadie, three (center), and two-year-old Madison were all killed, stuffed in bags or suitcases, weighed down and then thrown in rivers.
Prosecutors say Longo (top right) killed his family to 'escape the shackles of domestic life' 'He's a witty, very intelligent guy, and I'm still completely flummoxed by what drove him.
It featured six main cast members: Rachel Green (Jennifer Aniston), Phoebe Buffay (Lisa Kudrow), Joey Tribbiani (Matt Le Blanc), Chandler Bing (Matthew Perry), Ross Geller (David Schwimmer) and Monica Geller (Courteney Cox).
Many celebrities guest starred on the series throughout its ten-year run.
The actors were given the salary of the least paid cast member, meaning Aniston and Schwimmer earned less than they could have.
The stars were paid, per episode, ,000 in the third season, ,000 in the fourth, 0,000 in the fifth, and 5,000 in the sixth season.
Christian Longo, who murdered his wife and three children in Oregon in 2001 before going on an alcohol-fulled Mexican trip believes he can no longer be redeemed for his horrific crimes.
Rachel Karen Green (Jennifer Aniston) is the spoiled but warm-hearted and likeable daughter of a rich vascular surgeon and his wife.
Rachel is introduced into the series in the first episode after she leaves her fiancé, Barry, at the altar, and attempts to live independently without financial support from her parents.
Finkel told the Times: 'It brought back some very uncomfortable flashbacks.
I never forget at the heart of this story is three murdered children and a murdered wife.