Young Remus John Lupin as

(young) Charlie Rowe

Older Remus John Lupin as

Andrew Garfield

Young James Fleamont Potter as

(young) Dylan Schmid

Older James Fleamont Potter as

Aaron Taylor Johnson

Young Peter Charles Pettigrew as

(young) Brett Kelly

Older Peter Charles Pettigrew as 

Dane Dehann

Young Severus Snape as

Benedict Clarke

Older Severus Snape as

Louis Garrel

Young Lily Juliet Evans as

Annalise Basso

Older Lily Juliet Evans as

Sophie Skelton

Bartemuis "Barty" Crouch Jr as

Luke Powell

Elizabeth Avery as

Emily Browning

Dahilia Zabini as

Tati Gabrielle

Adrian Avery as

Douglas Booth

Ted Tonks as

Sam Claflin

Alice Fortescue as

Carey Mulligan

Frank Longbottom as

Jim Sturgess

Marlene McKinnon as

Alicia Vikander