Grandpa
Frank King
Ralph Norton
Swede
Dr. Gordon
Poppy
President Richard M. Nixon
Val Rooney
Dr. Rubicoff
Semple
Professor Heinrich (uncredited)
Lester Jump
Rev. Sam Pell
Confession Priest
Sidney
Madison Avenue Man
Second Salesman at Cartier's (uncredited)
James Lawrence (uncredited)
Hotel Clerk
Lawyer (uncredited)