Like all the dwarf actors of Italian cinema, there are no biographical details known.
I have found a few undocumented roles for Franco, so it's likely there could be more.
- Barabba .... Dwarf in the arena (uncredited)
- Maciste contro Ercole nella valle dei guai .... Dwarf wrestler (uncredited)
1964 - Sinbad contro i sette saraceni .... Jukri (credited as "Frank Doria")
1965 - I criminali della galassia .... Anton Fryd as a dwarf (credited as "Frank Doris")
- Il tesoro della foresta pietrificata .... Knut (credited)
1966 - Il Natale che quasi non fu .... Elf (credited as "Francesco Doria")
- Ray Master l'inafferrabile .... (credited, but not found)
1974 - Orlando furioso (TV mini-series) Ep. 1 .... Gradasso's dwarf (credited)
1975 - Gamma (TV mini-series) Eps. 1, 2 .... Mammolo (credited)
- L'arbre de Guernica .... Dwarf wanting equality (credited)
1976 - La Pretora .... Dwarf in adult film shoot (uncredited)
- La principessa sul pisello .... Fremulo (credited)
- Signore e signori, buonanotte .... Welder (uncredited)
- Un gangster venuto da Brooklyn (1966) IMDb as Romolo Buratti