McInerney came to acting at a young age, announcing the World Series defeat of the 1946 Boston Red Sox from his bicycle seat as he rode through his neighborhood.
He currently lives in Rutherford, New Jersey, with his second wife, Leilani (an opera singer), their son Danny, and their dog Buddy.
Zharko's Doctor Weber, King of the Gypsies 1978; St. Paul Buyer, So Fine 1981; Johnson, Trading Places 1983; Dr. Neuman, The Natural 1984; Detective Tom Green, Invasion U.S.A. 1985; Walter, Suspect, 1987; Harland Fitzgerald, Masquerade 1988; Dr. Stuhlberg, The Mighty Quinn 1989; First policeman, See You in the Morning 1989; Dr. Cornfield, See No Evil, Hear No Evil 1989; Clifford Worthy, Livin' Large!
1991; Minister, Sliver 1993; Congressman Millman, The American President 1995; Client at Cutty Ayres, The Associate 1996; Carey, The Peacemaker 1997; Headmaster Ryan, Academy Boyz 1997; Mahoney, The Tavern 1999; Professor Cummings, Nola 2003; Judge Carl, Duane Hopwood 2005; Four Lane Highway 2005; Duff Krindel, The Great New Wonderful 2005; Mr. Harrison, The Thing About My Folks 2005; James Lamson, Dan in Real Life 2007; Father Joe, Pistol Whipped 2008; Old Man on Scooter, Paul Blart: Mall Cop, 2009 Mark Faraday, The Edge of Night 1975; Dr. Will Vernon, One Life to Live 1977; Rex Whitmore, As the World Turns; Miniseries: Dr. Bowles, The Kennedys of Massachusetts 1990.
Richards on Ryan's Hope; George Caswell on The Hamptons; Judge Kreinik on Feds; Police Story; Eischied; The Andros Targets; All My Children; Sanctuary of Fear; Rocking-Chair Rebellion; Guiding Light; Today's FBI; Search for Tomorrow; and Another World.