Here are some of his most memorable roles.

Can you keep that all straight?

Mahoney played a successful businessman seeking treatment for a series of panic attacks.

FRASIER, John Mahoney, 1993-2004, (c)NBC/courtesy Everett Collection

Everett Collection

Mahoney played Grant Gubler, a local TV personality.

Mayhew, a character loosely based on William Faulkner.

Eight Men Out, 1998

Hey there, sports fan!

FRASIER, Patrick Kerr, Kelsey Grammer, John Mahoney, David Hyde Pierce, ‘A Tsar is Born’, (Season 7,

Everett Collection

Mahoney won a Tony for his performance, and the production was adapted as a PBS telefilm.

PRIMAL FEAR, John Mahoney, Alfre Woodard, Richard Gere, 1996, (c)Paramount/courtesy Everett Collecti

Everett Collection

SAY ANYTHING, John Mahoney, Ione Skye, 1989. TM and Copyright (c) 20th Century Fox Film Corp. All ri

Everett Collection

FATHERS AND SONS, John Mahoney, 2005, © SHOWTIME / Courtesy: Everett Collection

Everett Collection

moonstruck_john_mahoney

MGM

IN TREATMENT – Pictured: John Mahoney CR: HBO

HBO

Reality-Bites

Universal

BARTON FINK, John Mahoney, Judy Davis, 1991, TM & Copyright (c) 20th Century Fox Film Corp. All righ

Everett Collection

EIGHT MEN OUT, John Sayles, Studs Terkel, John Mahoney, 1988

Everett Collection

HOT IN CLEVELAND, l-r: Betty White, John Mahoney, in ‘Rusty Banks Rides Again’ (Season 5, Episode

Everett Collection

HOUSE OF BLUE LEAVES, John Mahoney, Swoosie Kurtz, Ben Stiller, 1987

Everett Collection