| Head of Post | Title | Career | Appointment Date | Presentation of credentials | Termination of mission |
| Johnson, David Moffat | HC | C | 1949/12/08 | 1950/01/20 | 1951/11/00 |
| Kirkwood, Kenneth Porter | HC | C | 1951/11/20 | 1952/01/10 | 1954/03/17 |
| Cleveland, John Harrison | A/HC | C | 1954/03/17 | 1954/12/04 | |
| Scott, Seaman Morley | HC | C | 1954/11/18 | 1954/12/04 | 1957/01/13 |
| Sigvaldason, John Peter | A/HC | C | 1957/02/13 | 1957/10/00 | |
| Moran, Herbert Owen | HC | C | 1957/04/15 | 1957/10/00 | 1960/04/07 |
| Moore, Victor Campbell | A/HC | C | 1960/06/00 | 1961/01/00 | |
| Eberts, Christopher Campbell | HC | C | 1960/10/20 | 1961/01/00 | 1963/02/23 |
| Hicks, Arthur John | A/HC | C | 1963/02/23 | 1963/09/01 | |
| Stephens, Llewellyn Aikins Douglas | HC | C | 1963/07/18 | 1963/09/01 | 1965/12/02 |
| McGaughey, Charles Eustace | HC | C | 1966/06/21 | 1966/10/24 | 1969/07/10 |
| Small, Charles John | HC | C | 1969/07/15 | 1969/09/15 | |
| Small, Charles John | AE&P | C | 1972/02/00 | 1972/08/19 | |
| Hadwen, John Gaylard | AE&P | C | 1972/05/23 | 1972/09/00 | 1974/07/20 |
| MacLellan, Keith William | AE&P | C | 1974/06/10 | 1977/07/12 | |
| Stone, William Frank | AE&P | C | 1977/06/30 | 1977/08/13 | 1978/08/25 |
| Small, Albert Douglas | AE&P | C | 1978/10/19 | 1978/10/31 | 1981/07/16 |
| Warden, William Thomas | AE&P | C | 1981/09/03 | ||
| Marshall, Charles Jordan | AE&P | C | 1983/10/13 | 1985/01/13 | |
| Clark, Robert William | AE&P | C | 1985/06/27 | ||
| von Nostitz, Manfred Gustav | AE&P | C | 1988/08/11 | 1988/09/26 | |
| Delvoie, Louis André | HC | C | 1991/00/00 | 1991/09/18 | |
| Beauchemin, Marie-Andrée | HC | C | 1994/07/12 | ||
| de Kerckhove, Ferry | HC | C | 1998/08/04 | ||
| Sigurdson, Konrad | HC | C | 2001/08/20 | ||
| Huber, Margaret | HC | C | 2003/07/31 | 2005/08/05 | |
| Collins, David | HC | C | 2005/08/02 | 2005/09/26 | |
| Mank, Randolph | HC | C | 2008/09/02 | ||
| Hynes, Ross | HC | C | 2010/08/10 | ||
| Giokas, Greg | HC | NC | 2012/08/20 |