Milt and Johnny and Arnold. I met all 3 of them.

My Sister Eileen (1942) as Jimmy (uncredited) Seven Days' Leave (1942) as Bitsy Slater They Got Me Covered (1943) as Drugstore Boy (uncredited) Let's Go Steady (1945) as Chet Carson So This Is New York (1948) as Western Union Clerk Two Gals and a Guy (1951) as Bernard The Man with the Golden Arm (1955) as Sparrow Alakazam the Great (1960) as Lulipopo (voice in the English version) Dondi (1961) as Peewee The Wonderful World of the Brothers Grimm (1962) as Rumpelstiltskin It's a Mad, Mad, Mad, Mad World (1963) as Ray, service station co-owner Second Fiddle to a Steel Guitar (1965) as Jubal A. Bristol Pinocchio in Outer Space (1965) as Nurtle the Turtle (voice) Skidoo (1968) as Harry Hello Down There (1969) as Jonah Hercules in New York (1970) as Pretzie Marco Polo Junior Versus the Red Dragon (1972) as The Delicate Dinosaur (voice) Raggedy Ann & Andy: A Musical Adventure (1977) as Queasy (voice) I Go Pogo (1980) as Churchy LaFemme (voice) Ghost Dad (1990) as Mr. Cohen, elderly patient Dennis the Menace (1993) as Photographer