Marvel's What If...? Episode 7 Cast: Every Returning (and Replaced) MCU Actor

3:54pm PDT - September 22nd, 2021    thanos - IGN

It's the Who's Who of Marvel's What If...? Disney+ streaming animated series' cast. Here's every new and returning MCU actor lending their voice to the show in Episode 7 and beyond, from Chris Hemsworth's Thor to Tom Hiddleston's Loki.