Dave Zabriskie

Self

Bryan Fogel

Self

Don Catlin

Self

Grigory Rodchenkov

Self

Nikita Kamaev

Self (archive footage)

Scott Brandt

Self

Dan Cogan

Self (voice)

Ben Stone

Self

Victor Webster

Richard Pound

Self

Richard McLaren

Self

Thomas Bach

Self (archive footage)

Sebastian Coe

Self (archive footage)

Vitaliy Mutko

Self (archive footage)

David Howman

Self

Jacques Rogge

Self (archive footage)

Jim Walden

Self