[1]The Stage described him as "part of a generation of actors that came out of Northern Ireland in the 1960s to find prominence on British television,"[2] and the Belfast Telegraph called him "a largely unsung professional, who was always in demand.

"[3] He is perhaps best remembered for his performances on television in such series as No Hiding Place, Coronation Street, Z-Cars, Sutherland's Law, Oil Strike North, Survivors, Doctor Who (in the serial Horror of Fang Rock), The Professionals, Minder, Bergerac, Children of the North and Edge of Darkness.

[3] There were also roles of varying size in the Hammer films The Viking Queen (1967) and When Dinosaurs Ruled the Earth (1970), The Human Factor (1979), Harry's Game (1982), Ascendancy (1983), Curse of the Pink Panther (1983), Resurrection Man (1998), Crossmaheart (1998) and Divorcing Jack (1998).

[1] Caffrey's stage work included appearances at Belfast's Lyric, in Stewart Parker's Spokesong (1989), Graham Reid's Lengthening Shadows (1995), Bill Morrison's Drive On!

At Project Arts Centre, Dublin, and the Royal Court, he was in Peter Sheridan's The Liberty Suit (1980).