After portraying the late Paul Newman on “Mad Men,” Marquand went on to land perhaps his best known role, Aaron, on ” The Walking Dead.” Following this came numerous appearances in the Marvel Universe (” Avengers: Infinity War,” and “Avengers: Endgame”) as two of the MCU’s most notorious super villains – Red Skull & Ultron. More recently, he voiced The Immortal in “Invincible” and Professor-X in “X-Men ’97”.

Ross has lent his unique vocal talents to other animated projects such “What If,” ” Family Guy,” “Robot Chicken,” and ” American Dad.” He is known for impersonating a plethora of celebrities including Harrison Ford, Brad Pitt, Matthew McConaughey and over 60 others.