Suggestions by @matthewmcgrory2005

Patrick Stewart

as Cameo Appearances in Warner Bros. Cinematic Looniverse

Score: +4

Jonah Hill

as Cameo Appearances in Warner Bros. Cinematic Looniverse

Score: +4

Nick Frost

as Cameo Appearances in Warner Bros. Cinematic Looniverse

Score: +3

Donald Sutherland

as Cameo Appearances in Warner Bros. Cinematic Looniverse

Score: +3

Brad Garrett

as Cameo Appearances in Warner Bros. Cinematic Looniverse

Score: +2

Chris Sullivan

as Ping Panda in Ozzie's Travels

Score: +2

Jack Noseworthy

as Cameo Appearances in Warner Bros. Cinematic Looniverse

Score: +4

Kevin Pollak

as Cameo Appearances in Warner Bros. Cinematic Looniverse

Score: +2

Jason Marsden

as Cameo Appearances in Warner Bros. Cinematic Looniverse

Score: +4

Tom Felton

as Cameo Appearances in Warner Bros. Cinematic Looniverse

Score: +2

Tom Felton

as Bruno in The Alex and Jonah Egypt Movie

Score: +2

Steve Zahn

as Jackie in The Alex and Jonah Egypt Movie

Score: +1

Nathan Lane

as Luca in The Alex and Jonah Egypt Movie

Score: +1

Gabriel Byrne

as Wilbert in The Alex and Jonah Egypt Movie

Score: +2

Richard Schiff

as Sid in The Alex and Jonah Egypt Movie

Score: +1

Jenny McCarthy

as Peach in The Alex and Jonah Egypt Movie

Score: +1

Will Estes

as Jimmy in The Alex and Jonah Egypt Movie

Score: +1

Keke Palmer

as Holly in The Alex and Jonah Egypt Movie

Score: +1

Ken Jeong

as Scott in The Alex and Jonah Egypt Movie

Score: +1

John Leguizamo

as Vincent in The Alex and Jonah Egypt Movie

Score: +1