Daniel Cudmore (born January 20, 1981) is a Canadian actor and stuntman. He portrayed Jackhammer in the Arrow episode "", and William Lang/Gridlock in The Flash episode "". He also portrayed Grodd via motion capture in the third season DC's Legends of Tomorrow episode, "".
- "" Jackhammer
DC's Legends of Tomorrow
- "" Grodd (uncredited)
- Daniel Cudmore had previously portrayed another comic book character, Peter Rasputin, a.k.a. Colossus for three films in the X-Men movie franchise.