Avis Favaro

饰：Herself - Medical Specialist

Sandie Rinaldo

饰：Herself - Host

David Tyler

David Tyler

饰：Narrator

Avery Haines

饰：Self

Beverly Thomson

饰：Self - W5 Correspondent

雅各布·提尔尼

Jacob Tierney

饰：Self

K. Trevor Wilson

K. Trevor Wilson

饰：Self

Allen Spraggett

饰：Self - Toronto Star religion writer

Merle Shain

饰：Co-Hostess

Michael Maclear

饰：Self - Host

L·罗恩·哈伯德

L. Ron Hubbard

饰：Self

迈克尔·布雷

Michael Steven Bublé

饰：Self

斯库特·布劳恩

Scooter Braun

饰：Self - Producer

塞雷娜·赖德

Serena Ryder

饰：Self

基弗·萨瑟兰

Kiefer Sutherland

饰：Self

迈克·泰森

Mike Tyson

饰：Self

Max Holmes

饰：Self

Orlando Bowen

饰：Self

保罗·安卡

Paul Anka

饰：Self

Andy Kim

Andy Kim

饰：Self - Legendary Singer

Brett Mcbride

饰：Self - Great White Shark Wrangler

Julia Creet

饰：Self - Professor

Roméo Dallaire

Roméo Dallaire

饰：Self - Retired General

Brian David Anderson

饰：Self

Richard Schumann

饰：Self

Eric Malling

饰：Host (1990-1996)

Patrick Watson

Kevin Newman

Kevin Newman

饰：Self - Host

Victor Malarek

饰：Self

Lloyd Robertson

饰：Self - (Segment Reporter: Lightfoot)

贾莱德·金索

Jared Keeso

饰：Self

内森·达莱斯

Nathan Dales

饰：Self

Gordon Lightfoot

Gordon Lightfoot

饰：Self

Lisa LaFlamme

饰：Self

玛哈里希·玛赫西·优济

Maharishi Mahesh Yogi

Warner Troyer

Warner Troyer

饰：Self

Tom Gould

饰：Host

Bryan Berard

饰：Self

汤米·钟

Tommy Chong

饰：Self

强·卡萨

Jon Cassar

饰：Self

Sugar Sammy

饰：Self

Dan Riskin

饰：Self (segment: Space Race)

约翰·克里斯

John Cleese

饰：Self

亚历克斯·崔贝克

Alex Trebek

饰：Self - Guest

Nobu Adilman

饰：Self - Guest

Ken Dryden

饰：Self

Scotty Bowman

饰：Self - Guest

Majed el Shafie

饰：Self

Marla Shapiro

饰：Self - W5 Correspondent

莫利·塞弗

Morley Safer