Home People Johnny Duncan Johnny Duncan movies Johnny Duncan movies Johnny Duncan Movies (19) Spartacus (1960) As Beheaded Man (uncredited). He was 22 years old Plan 9 from Outer Space (1959) As Second Stretcher Bearer (uncredited). He was 20 years old The Caine Mutiny (1954) As Sailor (uncredited). He was 15 years old Highway Dragnet (1954) As Marine (uncredited). He was 15 years old Walk Softly, Stranger (1950) As Office Messenger (uncredited). He was 12 years old Batman and Robin (1949) As Robin / Dick Grayson. He was 10 years old Street Corner (1948) As Hal. He was 10 years old Trail to San Antone (1947) As Ted Malloy (as John Duncan). He was 8 years old Johnny O'Clock (1947) As Newsboy. He was 8 years old From This Day Forward (1946) As Young Lieutenant. He was 7 years old Mr. Muggs Rides Again (1945) As Squeegie Robinson. He was 6 years old Youth Aflame (1944) As Jitterbugger. He was 6 years old Delinquent Daughters (1944) As Rocky Webster. He was 5 years old Teen Age (1944) As Dan Murray. He was 5 years old Million Dollar Kid (1944) As Roy Cortland (as Johnnie Duncan). He was 5 years old Campus Rhythm (1943) As Freshie, a Freshman. He was 5 years old The Mystery of the 13th Guest (1943) As Harold Morgan (as John Duncan). He was 5 years old Action in the North Atlantic (1943) As Sailor. He was 4 years old Call of the Canyon (1942) As Jitterbug. He was 3 years old