Credits

• 2019 · My Music: A Classic Christmas as Self - Host
• 2018 · Betty White: First Lady of Television as Self
• 2016 · The Comeback Kids as Tom
• 2015 · Mary Tyler Moore: A Celebration as Self / Murray Slaughter (archive footage)
• 2010 · Pound Puppies as Captain Gumble (voice)
• 2008 · The Suite Life on Deck as Barker
• 2008 · The Secrets of Jonathan Sperry as Jonathan Sperry
• 2007 · Cook-Off! as Gavin MacLeod
• 2005 · Checking Out as Doorman (uncredited)
• 2003 · Time Changer as Norris Anderson
• 1998 · The King of Queens as Uncle Stu
• 1998 · That '70s Show as Smitty
• 1998 · Love Boat: The Next Wave as Captain Merrill Stubing
• 1997 · Oz as Cardinal Frances Abgott
• 1995 · JAG as Raymond Harrick
• 1995 · Pinky and the Brain as
• 1994 · Touched by an Angel as Calvin
• 1994 · Burke's Law as Jerry Marz
• 1991 · Mary Tyler Moore: The 20th Anniversary Show as Himself
• 1990 · The Love Boat: A Valentine Voyage as Capt. Stubing
• 1987 · Student Exchange as Vice Principal Durfner
• 1986 · Daniel and the Lion's Den as Daniel (voice)
• 1985 · The Greatest Adventure: Stories from the Bible as Daniel (voice)
• 1985 · Night of 100 Stars II as Self
• 1984 · Murder, She Wrote as Art Sommers
• 1982 · Night of 100 Stars as Self
• 1980 · Murder Can Hurt You! as Lt. Nojack
• 1980 · Scruples as Curt Arvey
• 1979 · Pat Boone and Family: A Christmas Special as Self
• 1978 · NBC Salutes the 25th Anniversary of the Wonderful World of Disney as Self/The Mad Hatter
• 1978 · Mitzi... What's Hot, What's Not as Self
• 1977 · The Love Boat as Merril Stubing
• 1977 · Ransom for Alice! as Yankee Sullivan
• 1977 · The New Love Boat as Capt. Merrill Stubing
• 1976 · Charlie's Angels as Captain Merrill Stubing
• 1975 · Wonder Woman as Mr. Ellsworth
• 1975 · Mitzi & 100 Guys as Self
• 1974 · Only with Married Men as Jordan Robbins
• 1970 · The Intruders as Warden
• 1970 · The Mary Tyler Moore Show as Murray Slaughter
• 1970 · Kelly's Heroes as Moriarty (tank crewman)
• 1969 · The Comic as 1st Director
• 1969 · Love, American Style as Kipnis
• 1969 · The Thousand Plane Raid as Sgt. Kruger
• 1968 · The Name of the Game as Lewie Franklin
• 1968 · The Party as C. S. Divot
• 1968 · A Man Called Gannon as Lou
• 1968 · It Takes a Thief as Major Kazan
• 1968 · It Takes a Thief as Seymour
• 1967 · The Flying Nun as Harold Harmon
• 1966 · The Sand Pebbles as Crosley
• 1966 · Deathwatch as Emil
• 1965 · Hogan's Heroes as Major Zolle
• 1965 · Hogan's Heroes as General Metzger
• 1965 · Hogan's Heroes as General von Rauscher
• 1965 · Hogan's Heroes as Major Kiegel
• 1965 · McHale's Navy Joins the Air Force as Seaman Joseph Haines
• 1965 · The Sword of Ali Baba as Hulagu Khan
• 1964 · Gomer Pyle, U.S.M.C. as
• 1964 · The Munsters as
• 1964 · McHale's Navy as Seaman Joseph 'Happy' Hanes
• 1963 · My Favorite Martian as Alvin Wannamaker
• 1962 · McHale's Navy as Happy
• 1962 · War Hunt as Pvt. Crotty
• 1961 · The Mike Douglas Show as Self
• 1961 · The Mike Douglas Show as Self - Co-Host
• 1961 · The Dick Van Dyke Show as Maxwell Cooley
• 1961 · The Crimebusters as Harry Deiner
• 1960 · The Andy Griffith Show as Gilbert Jamel
• 1960 · The Andy Griffith Show as Bryan Bender
• 1960 · High Time as Professor Thayer
• 1960 · Twelve Hours to Kill as Johnny
• 1959 · Operation Petticoat as Yeoman Ernest Hunkle
• 1959 · Mr. Lucky as Salesman
• 1959 · The Untouchables as Whitey Metz
• 1959 · The Untouchables as Artie McLeod
• 1959 · The Untouchables as Three-Fingered Jack White
• 1959 · Men into Space as
• 1959 · Pork Chop Hill as Pvt. Saxon
• 1959 · Compulsion as Padua - Horn's Assistant
• 1959 · Rawhide as Rian Powers
• 1958 · I Want to Live! as Police Lt.
• 1958 · Young and Wild as Mac (uncredited)
• 1958 · The True Story of Lynn Stuart as Turk
• 1957 · The Walter Winchell File as
• 1957 · Perry Mason as Lawrence Comminger
• 1957 · Perry Mason as Mortimer Hershey
• 1957 · Perry Mason as Dan Platte
• 1950 · The Bob Hope Show as Self
• 1944 · Golden Globe Awards as Self - Nominee