About Greg Mullavey
Born 1939. Greg Mullavey is an American actor and television actor.
Greg Mullavey (born Gregory Thomas Mulleavy Jr.; September 10, 1939 ) is an American film and television actor who has had roles as Tom Hartman in the television series Mary Hartman, Mary Hartman and Carly and Spencer's grandfather in iCarly. He has appeared on and off Broadway, and continues to act on stage, having appeared in over a hundred theatre productions across North America.
Career Mullavey with costar Louise Lasser 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 His father, Greg Mulleavy, played major league baseball for the White Sox and Red Sox and was a third base coach for the Brooklyn Dodgers and L.A. Dodgers.
Don’t just read it —
keep it.
Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.
- E-book
- Audio
- Video
Instant download · yours to keep · every purchase keeps this site free
Important facts
Family & relationships
People in Greg Mullavey's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Greg Mullavey's
Frequently asked questions
Who is Greg Mullavey?
American film and television actor
When was Greg Mullavey born?
Greg Mullavey was born on 10 September 1939 in Buffalo.
What is Greg Mullavey's occupation?
Greg Mullavey is an actor and television actor.
What nationality is Greg Mullavey?
Greg Mullavey is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Greg Mullavey. https://biography.guide/greg-mullavey/
MLA: "Greg Mullavey." Biography.guide, https://biography.guide/greg-mullavey/.
Chicago: "Greg Mullavey." Biography.guide. https://biography.guide/greg-mullavey/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
Page generated 2026-09-27 05:31 UTC