Suggestions by @batmack

Bill Murray

as Ecto-1 in Movie and TV Vehicles as Transformers

Score: +2

Daniel Craig

as Ashton Martin in Movie and TV Vehicles as Transformers

Score: +1

James Earl Jones

as TIEFighter in Movie and TV Vehicles as Transformers

Score: +1

Willem Dafoe

as Green Goblin's Glider in Movie and TV Vehicles as Transformers

Score: +1

Cam Clarke

as The Party Wagon in Movie and TV Vehicles as Transformers

Score: +1

Patrick Stewart

as USS Enterprise in Movie and TV Vehicles as Transformers

Score: +1

William Shatner

as USS Enterprise in Movie and TV Vehicles as Transformers

Score: +1

Zachary Quinto

as USS Enterprise in Movie and TV Vehicles as Transformers

Score: +1

Chris Pine

as USS Enterprise in Movie and TV Vehicles as Transformers

Score: +1

Jeff Bridges

as Light-Cycle in Movie and TV Vehicles as Transformers

Score: +1

Bill Pullman

as The Winnebago in Movie and TV Vehicles as Transformers

Score: +1

Johnny Depp

as The Black Pearl in Movie and TV Vehicles as Transformers

Score: 0

Harrison Ford

as The Millennium Falcon in Movie and TV Vehicles as Transformers

Score: +1

Bruce Campbell

as The Delta in Movie and TV Vehicles as Transformers

Score: +1

Dick Van Dyke

as Chitty Chitty Bang Bang in Movie and TV Vehicles as Transformers

Score: +1

Chris Pratt

as The Milano in Movie and TV Vehicles as Transformers

Score: +1

Jeff Goldblum

as Jurrasic Park Jeep in Movie and TV Vehicles as Transformers

Score: +1

Tim Allen

as Pizza Planet Truck in Movie and TV Vehicles as Transformers

Score: +1

Uma Thurman

as P**sy Wagon in Movie and TV Vehicles as Transformers

Score: +1

Bill Nighy

as The Flying DutchMan in Movie and TV Vehicles as Transformers

Score: +1