 Due to scheduling and $$$ various of the actors and stuntmen had to  do several roles. Examples are Ray Park who did two roles (Raptor,  Tarkatan) and stunt work, J.J. Perry who did two roles (Scorpion,  Cyrax) and stunt work and Dennis Keiffer, John Medlen, Dana Hee,  Tyrone Wiggins, Keith Cooke an Ridley Tsui who all had a credited  acting part and a stunt credit.