in a 1976 press photo for
Mary Hartman, Mary HartmanMullavey was born in
Buffalo, New York, and changed the spelling of his surname from Mulleavy to avoid confusion with his father, who also had the same name. He appeared on television series including
Storefront Lawyers,
Blue Light,
The Rockford Files,
M*A*S*H,
All in the Family,
Bonanza,
Family,
Combat!,
The Virginian, and
Hawaii Five-O. He played Eddie Gallagher on
Rituals, as well as Carly and Spencer's grandfather on
iCarly. Mullavey played Tom Hartman on the iconic 1970s comedy
Mary Hartman, Mary Hartman, and Mule Canby in the TV miniseries
Centennial. He played Biff in the
Tales from the Darkside episode (2/12) "Monsters in my Room" (1985). His movie credits include
Bob & Carol & Ted & Alice (1969),
C.C. and Company (1970),
Raid on Rommel (1971),
The Birdmen (1971),
The Love Machine (1971),
The Christian Licorice Store (1971),
I Dismember Mama (1972),
Stand Up and Be Counted (1972),
The Single Girls (1974),
The Disappearance of Flight 412 (1974),
The Hindenburg (1975, as
Herbert Morrison), and
The Census Taker (1984). Onstage, he appeared opposite
Marlo Thomas in the 2015 New York debut of
Joe DiPietro's play
Clever Little Lies at the
Westside Theatre. ==Personal life==