Bullfrog Films presents ; a Macumba DOC production ; a documentary by Robert Cornellier and Paul Carvalho ; producers, Paul Carvalho, Robert Cornellier ; directed by Robert Cornellier ; script and research, Robert Cornellier, Paul Carvalho ; produced in association with RDI, CBC Radio Canada
Bullfrog Films presents ; a film by Florentine Films/Hott Productions, Inc. in association with the Clark Science Center at Smith College ; produced by Lawrence R. Hott, Tom Litwin, Diane Garey ; directed by Lawrence R. Hott ; written by Ken Chowder, Diane Garey
Glacialis Productions in co-production with the National Film Board of Canada and Gedeon Programmes ; a film by Patricio Henriquez ; co-producers, Éric Michel [and 3 others] ; direction, Patricio Henriquez ; script, Patricio Henriquez, Jean Lemire ; a Canada-France co-production