Senior Year— Full Cast

Rebel Wilson

as Stephanie Conway

Sam Richardson

as Seth Novacelik

Zoë Chao

as Tiffany Blanchette-Balbo

Mary Holland

as Martha Reiser

Justin Hartley

as Blaine Balbo

Chris Parnell

as Jim Conway

Angourie Rice

as Young Stephanie Conway

Molly Brown

as Young Martha Reiser

Zaire Adams

as Young Seth Novacelik

Ana Yi Puig

as Young Tiffany Blanchette

Tyler Barnhardt

as Young Blaine Balboa

Jade Bender

as Britney 'Bri Luvs' Balbo

Avantika

as Janet

Joshua Colley

as Yaz

Jeremy Ray Taylor

as Neil Chudd