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David Rudisha as Self - Olympian Qiu Bo as Self - Olympian Michael Phelps as Self Кэти Тейлор as Self - Olympian Caroline Buchanan as Self - Olympian Laura Kenny as Self - Olympian Tom Daley as Self Chad Le Clos as Self - Olympian Heena Sidhu as Self - Olympian Majlinda Kelmendi as Self - Olympian Natasha Jonas as Self Oscar Pistorius as Self John Orozco as Self - Olympian Usain Bolt as Self Zara Tindall as Self