Matthew Gumley: Matthew Gumley. Actor: Law & Order: Special Victims Unit. Matthew Gumley is most noticed for his voice-overs which include a series regular on Nickelodeons hit animated series Dora the Explorer as Benny the Bull and numerous guest star appearances on The Wonder Pets and can be heard on numerous video games such as Grand Theft Auto IV. At such a young age Matthew is not only becoming a veteran of...
