Question: Keith, the character from the television series The Odyssey, was played by which Canadian voice and television actor?

Context paragraphs:
Kelly Metzger: Kelly Metzger is a Canadian voice and theater actress, born in Edmonton and based in Vancouver, British Columbia.  After making her debut in the title role of "Anne of Green Gables", she performed on the stage with several Vancouver based theatrical companies.  After this, she began a career in voice acting.  Among her more noted voice acting roles are the English voice of Sayu Yagami in the anime series based on the "Death Note" manga, the character of Buttercup in "Powerpuff Girls Z", the voice of Spitfire in "" (excluding the episode "Sonic Rainboom", where she was voiced by Nicole Oliver), the voice of Nya in the Cartoon Network series "", and the voice of Sugar Sprinkles and Kora Dixon in "Littlest Pet Shop".  She also voiced Makena in "".  Metzger also does the singing voice of the character Gloriosa Daisy in the 2016 film "".

Tracey Hoyt: Tracey Hoyt is a Canadian voice actress and alumna of York University and the Second City National Touring Company (Toronto), possessing a Bachelor of Fine Arts in Theater Performance.  She played the first North American voice of Rini in the "Sailor Moon R" series and the three Sailor Moon movies.  Hoyt played the voice of Me Bear in 2005's "The Care Bears' Big Wish Movie".  Currently, she appears as Ms. Deeds in "Delilah & Julius" (Family Channel Canada) and as Guinivere in Bob and Margaret.  (YTV Canada).  Tracey is a double Gemini nominee for her work on CBC TV's comedy series "The Tournament".  She has voiced hundreds of radio and TV commercials.  She was born in Chatham-Kent, Ontario.

Samuel Vincent: Samuel Vincent Khouth is a Canadian voice actor who works in Vancouver and voices characters in animated series, anime dubs and video games.  His best-known roles are Edd a.k.a. Double D from "Ed, Edd n Eddy" and Krypto in the Cartoon Network TV series "Krypto the Superdog".  He also voiced Athrun Zala from "Mobile Suit Gundam SEED", Hikaru Shindo from "Hikaru no Go", Julian Star from "Cardcaptors", and Tieria Erde from "Mobile Suit Gundam 00".  Other roles include Forge from "X-Men Evolution" and Baby Bugs, Baby Daffy and Baby Tweety from "Baby Looney Tunes", Sideswipe from "" and the voices of Aerrow and Dark Ace from "Storm Hawks".  He is also known for Sonic's singing voice in "Sonic Underground", and the title character and the alien Billy of "Martin Mystery" and from 2018 will be the voice of "Lloyd Garmadon" in ""

Peter Cullen: Peter Claver Cullen (born July 28, 1941) is a Canadian voice actor.  He is best known as the voice of Optimus Prime (as well as Ironhide) in the original 1980s "Transformers" animated series, and most other incarnations of the character, as well, and Eeyore in the Winnie-the-Pooh franchise.  He also voiced Monterey Jack in "Chip 'n Dale Rescue Rangers" from season one through some of season two.  Starting in 2007, Cullen has reprised his role as Optimus Prime in related "Transformers" media, starting with the first live-action film.

Cory Doran: Cory Doran (born February 7, 1982) is a Canadian voice actor and director who is known as the voice of Jimmy, the star of the animated show, "Jimmy Two-Shoes".  He also voices the character Mike in the series "Total Drama".  He took over for Lou Attia as the voice of Fungus in the second season of the Cartoon Network/YTV animated television series, Numb Chucks.  He also provided the voice of Bummer in Cartoon Network/Teletoon series "Stoked" and Dabio in the "PBS Kids" animated series "Wild Kratts".

Frank Meschkuleit: Frank Meschkuleit (born May 10, 1960) is a Canadian voice actor and puppeteer who plays the voice of Toopy on the television series "Toopy and Binoo".  He has also performed as a voice actor and puppeteer on other shows, such as "Don't Eat the Neighbours" and "Dragon".  He was also the suit performer for Junior Gorg for the fifth and final season of "Fraggle Rock".

Lucas Gilbertson: Lucas Gilbertson (born November 16) is a Canadian voice actor best known for his work in anime dubs and video games.  He was the voice of Zero in the "Mega Man X" series.  He has also voiced the character Johnny Ridden in the recent series.

Tony Sampson: Tony Sampson (born July 26, 1977) is a Canadian voice and television actor.

The Odyssey (TV series): The Odyssey is a Canadian-produced half-hour adventure-fantasy television series for children, originally broadcast 1992-94 on CBC Television.  It starred Illya Woloshyn as Jay Ziegler, Ashleigh Aston Moore as Donna/Alpha (credited as Ashley Rogers), Tony Sampson as Keith/Flash, Andrea Nemeth as Medea/Sierra Jones, Mark Hildreth as Finger/Mic, Ryan Reynolds as Macro, Janet Hodgkinson as Val Ziegler (Jay's mother), Devon Sawa as Yudo, and Jewel Staite as Labelia.

Len Carlson: Len Carlson (September 2, 1937 – January 26, 2006) was a Canadian voice actor on many animated television series from the 1960s onward, an occasional live-action TV actor, and a Kraft Canada TV pitchman during the 1970s and 1980s.  He was a native of Edmonton and a former professional athlete.

Supporting paragraphs: The Odyssey (TV series) Tony Sampson
Answer: Tony Sampson