What If's cast and crew
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Full Cast
List of all cast members for program What If. Select any member to see details info.
Daniel Radcliffe
(Wallace)
Zoe Kazan
(Chantry)
Megan Park
(Dalia)
Adam Driver
(Allan)
Mackenzie Davis
(Nicole)
Rafe Spall
(Ben)
Jemima Rooper
(Ellie)
Jordan Hayes
(Becky)
Meghan Heffern
(Tabby)
Jonathan Cherry
(Josh)
Sarah Gadon
(Megan)
Tommie-Amber Pirie
(Gretchen)
Adam Fergus
(Rolf)
Lucius Hoyos
(Felix)
Rebecca Northan
(Holly)
Oona Chaplin
(Julianne)
Ennis Esmer
(Paramedic Ozman Bey)
Vanessa Matsui
(Saleswoman)
Sam Moses
(Cabbie)
Mike Wilmot
(Murray)
George Tchortov
(Bartender)
Tamara Duarte
(Cute Girl)
Rosalind Feldman
(Antique Employee)
Don Ritter
(Karate Referee)