Full cast of Harry Potter: Hogwarts Tournament of Houses

Helen Mirren

Self - Host

4 episodes

Luke Youngblood

Self - Guest Announcer

4 episodes

Simon Fisher-Becker

Self

2 episodes

Tom Felton

Self

2 episodes

Pete Davidson

Self

1 episode

Matthew Lewis

Self

1 episode

Shirley Henderson

Self

1 episode

Jay Leno

Self

1 episode

Dan Fogler

Self

1 episode