His Emmy-winning voice-over career includes work as the narrator of Ken Burns films such as "The War". Characters that he has voiced include the Arbiter in the "Halo" series, Goliath on "Gargoyles", Al Simmons / Spawn on "Todd McFarlane's Spawn", a role he reprised in the fighting game "Mortal Kombat 11", David Anderson in the "Mass Effect" series, Julius Little and himself in the "Saints Row" series, Sergeant Foley in "", Dr. Facilier in "The Princess and the Frog", Chaos in "Dissidia Final Fantasy" and "012", the Flame King in "Adventure Time", Solovar in "The Flash", the Cat in "Coraline", King Andrias in "Amphibia", the President and Reverse Giraffe in "Rick and Morty" and Dr. Kane in "Archer".