Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Operadaki Hayalet; Royal Albert Hall | 2011 | Himself |
| Actor | Hello, Dolly! | 1969 | Cornelius Hackl |
| Actor | Undercover Grandpa | 2017 | Scrawny Kid |
| Actor | Once Upon a Forest | 1993 | Cornelius (voice) |
| Actor | Some Mothers Do 'Ave 'Em | Frank Spencer | |
| Producer | Legends of the Dark Knight: The History of Batman | 2005 | |
| Actor | Condorman | 1981 | Woody |
| Actor | A Funny Thing Happened on the Way to the Forum | 1966 | Hero |
| Actor | Alice's Adventures in Wonderland | 1972 | White Rabbit |
| Producer | Requiem for Krypton: Making 'Superman Returns' | 2006 | |
| Actor | How I Won the War | 1967 | Goodbody |
| Producer | Making 'Enter the Matrix' | 2003 | |
| Producer | Shadows of the Bat: The Cinematic Saga of the Dark Knight - Batman Unbound | 2005 |