perl -p -e 's/ ([^ ]*?:)/\n$1/g'
Gives:
regizor: Betty Thomas
Distribu.ia: Sandra Bullock (Gwen Cummings) Viggo Mortensen (Eddie Boone) Dominic West (Jasper)
rendez.: David Mamet, Robert Elswit
szerepl.(k): Chiwetel Ejiofor (Mike Terry) Alice Braga (Sondra Terry) Emily Mortimer (Laura Black)
