Suggestions by @kingbig

Max von Sydow

as Jürgen Mavroc in Zookeeper (1980s)

Score: +3

Steve Guttenberg

as Elmo the Ostrich in Zookeeper (1980s)

Score: +3

James Woods

as Spike the Crow in Zookeeper (1980s)

Score: +2

Milton Berle

as Jim the Bullfrog in Zookeeper (1980s)

Score: +4

Dolph Lundgren

as Sebastian the Wolf in Zookeeper (1980s)

Score: +2

Gilda Radner

as Mollie the Reticulated Giraffe in Zookeeper (1980s)

Score: +2

Bill Murray

as Bruce the Grizzly Bear in Zookeeper (1980s)

Score: +4

Dan Aykroyd

as Jerome the Grizzly Bear in Zookeeper (1980s)

Score: +5

Anne Bancroft

as Janet the Lioness in Zookeeper (1980s)

Score: +3

Rick Moranis

as Barry the Indian elephant in Zookeeper (1980s)

Score: +3

Martin Short

as Donald the Capuchin Monkey in Zookeeper (1980s)

Score: +3

Marlon Brando

as Joe the Lion in Zookeeper (1980s)

Score: +4

James Coburn

as Bernie the Lowland Gorilla in Zookeeper (1980s)

Score: +1

Matt Dillon

as Nimer in Zookeeper (1980s)

Score: +6

Nick Nolte

as Shane in Zookeeper (1980s)

Score: +3

Rae Dawn Chong

as Robin Keyes in Zookeeper (1980s)

Score: +1

Gilbert Gottfried

as Venom in Zookeeper (1980s)

Score: +3

Emilio Estevez

as Dave Keyes in Zookeeper (1980s)

Score: +1

Mel Gibson

as Gale in Zookeeper (1980s)

Score: +3

Debra Winger

as Stephanie in Zookeeper (1980s)

Score: +1