Johnny Duncan
- Compleanno:
- 12/07/1923
- Luogo di nascita:
- Kansas City, Missouri, USA:
 | Batmania: From Comics to Screen (1989) Self / Robin / Dick Grayson (archive footage) |
 | Spartacus (1960) Beheaded Man (uncredited) |
 | Plan 9 from Outer Space (1959) Second Stretcher Bearer (uncredited) |
 | Rock Around the Clock (1956) Prom Dancer (uncredited) |
 | The Caine Mutiny (1954) Sailor |
 | Highway Dragnet (1954) Marine (uncredited) |
 | The Wild One (1953) Gang Member (uncredited) |
 | The Flaming Urge (1953) Ralph Jarvis |
 | So You Want to Be a Musician (1953) Jitterbugger |
 | He Ran All the Way (1951) Boy at Pool (uncredited) |
 | Walk Softly, Stranger (1950) Office Messenger (uncredited) |
 | Summer Stock (1950) Stock Company Member (uncredited) |
| | A Wonderful Life (1950) |
 | When Willie Comes Marching Home (1950) Soldier (uncredited) |
 | Whirlpool (1950) Soldier (uncredited) |
 | Take One False Step (1949) Bellhop (uncredited) |
 | Batman and Robin (1949) Robin / Dick Grayson |
 | Street Corner (1948) Hal |
 | It Had to Be You (1947) Vendor (uncredited) |
 | Trail to San Antone (1947) Ted Malloy |
 | Johnny O'Clock (1947) Newsboy |
 | The Walls Came Tumbling Down (1946) Bellboy |
 | From This Day Forward (1946) Young Lieutenant |
 | Come Out Fighting (1945) Gilbert Mitchell |
 | Mr. Muggs Rides Again (1945) Squeegie Robinson |
 | Salty O'Rourke (1945) Ralph (uncredited) |
 | Thirty Seconds Over Tokyo (1944) Jitterbugger (uncredited) |
 | Youth Aflame (1944) Jitterbugger |
 | Delinquent Daughters (1944) Rocky Webster |
 | A Fig Leaf for Eve (1944) Bellboy |
| | Teen Age (1944) Dan Murray |
 | Million Dollar Kid (1944) Roy Cortland |
 | The Gang's All Here (1943) Jitterbug Dancer (uncredited) |
 | Campus Rhythm (1943) Freshie, a Freshman |
 | The Mystery of the 13th Guest (1943) Harold Morgan (as John Duncan) |
 | Swing Fever (1943) Dancer, USO Sailor (uncredited) |
 | The Unknown Guest (1943) Teenager at Carnival (uncredited) |
 | Action in the North Atlantic (1943) Sailor (uncredited) |
 | Call of the Canyon (1942) Jitterbug (uncredited) |