The Marvel animated series What If...? explores alternate scenarios within the Marvel Cinematic Universe (MCU), reimagining pivotal moments and characters in new ways. The show features many actors reprising their MCU roles as voice actors, with over 50 actors returning in the first season alone, and over 35 in the third season
. Key Cast Members in What If...? include:
- Jeffrey Wright as The Watcher, the series narrator appearing in all seasons
- Anthony Mackie as Sam Wilson / Captain America, introduced in later seasons
- Mark Ruffalo as Bruce Banner / Hulk
- Teyonah Parris as Monica Rambeau
- Sebastian Stan as Bucky Barnes / Winter Soldier
- David Harbour as Red Guardian
- Oscar Isaac as Moon Knight
- Kathryn Hahn as Agatha Harkness
- Kumail Nanjiani as Kingo
- Dominic Cooper as Howard Stark
- James D'Arcy as Edwin Jarvis
- Karen Gillan as Nebula, notably a main protagonist in season 2
- Alison Sealy-Smith as Ororo Munroe / Storm, reprising her role from previous X-Men animated series
The show also features other notable MCU actors such as Samuel L. Jackson (Nick Fury), Tom Hiddleston (Loki), Chris Hemsworth (Thor), and many others reprising their roles in voice form
. Some characters are voiced by different actors due to scheduling conflicts or creative choices, with the multiverse concept providing a narrative justification for these differences
. Each episode presents unique alternate realities, such as Sam Wilson piloting a mech suit as Captain America or Agatha Harkness starring in a Hollywood production, showcasing a wide range of characters and voices from the MCU
. In summary, What If...? boasts a large ensemble cast of original MCU actors reprising their roles, alongside new voice actors, bringing fresh perspectives to familiar characters in the Marvel multiverse
