Gavin MacLeod (February 28, 1931 â May 29, 2021) was an American actor notable for playing Joseph "Happy" Haines on McHale's Navy, Murray Slaughter on The Mary Tyler Moore Show, and for his lead role as Captain Merrill Stubing on The Love Boat.
Mitzi & 100 Guys
Self
The Sand Pebbles
Crosley
Kelly's Heroes
Moriarty (Tank Crewman)
War Hunt
Pvt. Crotty
Young and Wild
Mac (uncredited)
Operation Petticoat
Yeoman Ernest Hunkle
I Want to Live!
Police Lt.
Compulsion
Padua - Horn's Assistant
Checking Out
Doorman (uncredited)
Time Changer
Norris Anderson
The Secrets of Jonathan Sperry
Jonathan Sperry
A Man Called Gannon
Lou
Student Exchange
Vice Principal Durfner
The Thousand Plane Raid
Sgt. Kruger
High Time
Professor Thayer
The New Love Boat
Capt. Merrill Stubing
The Crimebusters
Harry Deiner
Only with Married Men
Jordan Robbins
The Intruders
Warden
Twelve Hours to Kill
Johnny
McHale's Navy Joins the Air Force
Seaman Joseph Haines
McHale's Navy
Seaman Joseph 'Happy' Hanes
Murder Can Hurt You!
Lt. Nojack
Night of 100 Stars II
Self
The True Story of Lynn Stuart
Turk
NBC Salutes the 25th Anniversary of the Wonderful World of Disney
Self/The Mad Hatter
The Party
C. S. Divot
Mary Tyler Moore: A Celebration
Self / Murray Slaughter (archive footage)
The Love Boat: A Valentine Voyage
Capt. Stubing
Mary Tyler Moore: The 20th Anniversary Show
Himself
The Sword of Ali Baba
Hulagu Khan
Betty White: First Lady of Television
Self
Deathwatch
Emil
Pat Boone and Family: A Christmas Special
Self
Cook-Off!
Gavin MacLeod
My Music: A Classic Christmas
Self - Host
Pork Chop Hill
Pvt. Saxon
The Comic
1st Director
Ransom for Alice!
Yankee Sullivan
Mitzi... What's Hot, What's Not
Self
Night of 100 Stars
Self