Suggestions by @erikhillenburg

Leonard Nimoy

as Ronald Reagan in Histeria!: Alternate Version

Dennis Haysbert

as Isaac Hayes in Histeria!: Alternate Version

Seth MacFarlane

as Robert Goulet in Histeria!: Alternate Version

John Rhys-Davies

as Luciano Pavarotti in Histeria!: Alternate Version

Andrea Bocelli

as Andrea Bocelli in Histeria!: Alternate Version

André Sogliuzzo

as Józef Poniatowski in Histeria!: Alternate Version

Stephen Hillenburg

as Julius Caesar in Histeria!: Alternate Version

Kevin Michael Richardson

as Fidel Castro in Histeria!: Alternate Version

Rob Paulsen

as King Louis XVIII in Histeria!: Alternate Version

Robin Atkin Downes

as Zachary Taylor in Histeria!: Alternate Version

Maurice LaMarche

as Gerald Ford in Histeria!: Alternate Version

Wally Wingert

as Francis Bellamy in Histeria!: Alternate Version

Jim Cummings

as Charles de Gaulle in Histeria!: Alternate Version

Paul Eiding

as Joseph B. Foraker in Histeria!: Alternate Version

Gregg Berger

as James Polk in Histeria!: Alternate Version

André Sogliuzzo

as Calvin Coolidge in Histeria!: Alternate Version

Robin Atkin Downes

as Warren G. Harding in Histeria!: Alternate Version

Tom Kane

as Rutherford B. Hayes in Histeria!: Alternate Version

Wally Wingert

as Benjamin Harrison in Histeria!: Alternate Version

André Sogliuzzo

as James Garfield in Histeria!: Alternate Version