Anthony Joshua

Self

Andy Ruiz Jr.

Self

Mike Tyson

Self

Sylvester Stallone

Self

Evander Holyfield

Self

Dolph Lundgren

Self

Brian Kenny

Self

Sugar Ray Leonard

Self

Tracy Morgan

Self

Michael Strahan

Self

James Corden

Self

Michael Buffer

Self

Wladimir Klitschko

Self

Dominic Breazeale

Self

Alexander Povetkin

Self

Deirdre Fenton

Jamie Horowitz