Arnie Schreder

饰：Self - Pilot, Buffalo Airways

Mikey McBryan

饰：Self - Manager, Buffalo Airways

Mary Stopes-Roe

饰：Self - Daughter of Barnes Wallis

Rick Donnelly

饰：Self - Dam Designer

Sidney Alford

饰：Self - Explosives Engineer,(as Dr Sidney Alford)

Alfred Breland

饰：Self - Dam Co-Designer

Jim Bellavance

饰：Self - Dam Construction Engineer

Tod Todeschini

饰：Self - Launcher Designer

George 'Johnny' Johnson

饰：Self - Bomb Aimer, 617 Squadron,(as Johnny Johnson)

Ryan Beaubien

饰：Self - Aeronautics Engineer

Hilary Costello

饰：Self - PhD Student

Chuck Adams

饰：Self - Maintenance Engineer, Buffalo Airways

吉姆·卡特

Jim Carter

饰：Self - Narrator,