Credits

• 1995 · Roger Moore: A Matter Of Class as Self (archive footage)
• 1992 · Three Days To A Kill as Comm. Howard
• 1992 · MGM: When the Lion Roars as
• 1991 · Clowning Around as Mr. Ranthow
• 1991 · Burt Reynolds' Conversations with... as Self
• 1990 · Delta Force Commando II: Priority Red One as Gen. McCailland
• 1990 · Flight from Paradise as Erzähler
• 1989 · Killer Crocodile as Judge
• 1988 · Bacall on Bogart as Self
• 1988 · Taxi Killer as
• 1986 · Down There in the Jungle as The professor
• 1985 · The New Alfred Hitchcock Presents as Art Bellasco
• 1985 · Night of 100 Stars II as Self
• 1985 · The Purple Rose of Cairo as Larry
• 1984 · Murder, She Wrote as Daniel O'Brien
• 1984 · Murder, She Wrote as Elliot Robinson
• 1984 · Murder, She Wrote as Daniel Hannigan
• 1982 · Showbiz Goes to War as (archive footage)
• 1982 · Scorpion with Two Tails as Mulligan - Joan's father
• 1982 · Night of 100 Stars as Self
• 1982 · Oops, Those Hollywood Bloopers! as Self (archive footage)
• 1981 · Aloha Paradise as
• 1980 · The Kidnapping of the President as Vice President Ethan Richards
• 1979 · From Corleone to Brooklyn as Lieutenant Sturges
• 1979 · Tales of the Unexpected as Gerry T. Armstrong
• 1979 · Concorde Affair as Captain Scott
• 1978 · Getting Married as Phil Lawrence
• 1978 · Black Beauty as Horace Tompkins
• 1978 · Superdome as Chip Green
• 1977 · The Love Boat as Victor Moncrief
• 1977 · The Love Boat as Bert Wilder
• 1976 · Quincy, M.E. as
• 1976 · Rich Man, Poor Man - Book II as Marsh Goodwin
• 1975 · One Day at a Time as Gus Webster
• 1974 · That's Entertainment! as (archive footage)
• 1974 · The Girl on the Late, Late Show as Johnny Leverett
• 1972 · Maude as
• 1972 · Call Her Mom as President Hardgrove
• 1971 · Eye of the Spider as Prof. Orson Krüger
• 1971 · McMillan and Wife as Harry Jerome
• 1970 · San Francisco International as Lester Scott
• 1970 · The Don Knotts Show as Self
• 1970 · Company of Killers as Sam Cahill
• 1970 · McCloud as
• 1970 · Nanny and the Professor as
• 1969 · The Price of Power as President James A. Garfield
• 1969 · Love, American Style as
• 1969 · Eagles Over London as Air Marshal George Taylor
• 1968 · Here's Lucy as Van Johnson
• 1968 · The Name of the Game as Jack Newell
• 1968 · The Name of the Game as Sullivan
• 1968 · Yours, Mine and Ours as Darrel Harrison
• 1968 · Where Angels Go, Trouble Follows as Father Chase: The 'In' Group
• 1967 · Rowan & Martin's Laugh-In as Self
• 1967 · Divorce American Style as Al Yearling
• 1966 · The Doomsday Flight as Capt. Anderson
• 1966 · Batman as The Minstrel
• 1964 · American in Paris as James Devlin
• 1964 · The Hollywood Palace as Self - Host
• 1964 · The Hollywood Palace as Self - Singer
• 1963 · Wives and Lovers as Bill Austin
• 1963 · Vacation Playhouse as
• 1961 · The Mike Douglas Show as Self - Co-Host
• 1961 · The Mike Douglas Show as Self
• 1961 · Ben Casey as
• 1960 · The Enemy General as Allan Lemaire
• 1959 · Subway in the Sky as Major Baxter Grant
• 1959 · The DuPont Show with June Allyson as Joe Robertson
• 1959 · Web of Evidence as Paul Mathry
• 1959 · The Last Blitzkrieg as Hans Von Kroner / Leonard Richardson
• 1958 · The Ann Sothern Show as Terry Tyler
• 1957 · The Pied Piper of Hamelin as Pied Piper / Truson
• 1957 · Action of the Tiger as Carson
• 1957 · Tonight Starring Jack Paar as Self
• 1957 · Kelly and Me as Len Carmody
• 1957 · Slander as Scott Ethan Martin
• 1956 · The Dinah Shore Chevy Show as Self
• 1956 · Dick Powell's Zane Grey Theatre as Frank Gilette
• 1956 · 23 Paces to Baker Street as Phillip Hannon
• 1956 · Miracle in the Rain as Pvt. Arthur 'Art' Hugenon
• 1956 · The Bottom of the Bottle as Donald Martin / Eric Bell
• 1955 · The End of the Affair as Maurice Bendrix
• 1954 · The Last Time I Saw Paris as Charles Wills
• 1954 · Brigadoon as Jeff Douglas
• 1954 · The Caine Mutiny as Lt. Stephen Maryk
• 1954 · Men of the Fighting Lady as Lt. Thayer
• 1954 · The Siege at Red River as Capt. James S. Simmons / Jim Farraday
• 1953 · Easy to Love as Ray Lloyd
• 1953 · Letter to Loretta as Self - Guest Host
• 1953 · Remains to Be Seen as Waldo Williams
• 1953 · The Oscars as Self
• 1953 · Confidentially Connie as Joe Bedloe
• 1953 · General Electric Theater as Jimmy Devlin
• 1952 · Plymouth Adventure as John Alden
• 1952 · Washington Story as Joseph T. Gresham
• 1952 · When in Rome as Father John X. Halligan
• 1952 · Invitation as Dan Pierce
• 1951 · Too Young to Kiss as Eric Wainwright
• 1951 · It's a Big Country as Rev. Adam Burch
• 1951 · I Love Lucy as Van Johnson
• 1951 · Go for Broke! as Lt. Michael Grayson
• 1951 · Three Guys Named Mike as Michael Lawrence
• 1951 · Grounds for Marriage as Dr. Lincoln I. Bartlett
• 1950 · Duchess of Idaho as Dick Layne
• 1950 · The Big Hangover as David Maldon
• 1950 · What's My Line? as Self - Mystery Guest
• 1949 · Battleground as Holley
• 1949 · In the Good Old Summertime as Andrew Delby Larkin
• 1949 · Scene of the Crime as Mike Conovan
• 1949 · Mother Is a Freshman as Professor Richard Michaels
• 1948 · Command Decision as Technical Sergeant Immanuel T. Evans
• 1948 · The Ed Sullivan Show as Self - Singer
• 1948 · The Ed Sullivan Show as Self (archive footage)
• 1948 · The Ed Sullivan Show as Self
• 1948 · State of the Union as Spike McManus
• 1948 · The Bride Goes Wild as Greg Rawlings
• 1947 · The Romance of Rosy Ridge as Henry Carson
• 1947 · High Barbaree as Alec Brooke
• 1946 · Till the Clouds Roll By as Bandleader in Elite Club
• 1946 · Easy to Wed as William "Bill" Stevens Chandler
• 1946 · No Leave, No Love as Michael Hanlon
• 1945 · Week-End at the Waldorf as James Hollis
• 1945 · Thrill of a Romance as Thomas Milvaine
• 1945 · Between Two Women as Dr. Randall Adams
• 1944 · Thirty Seconds Over Tokyo as Ted Lawson
• 1944 · Two Girls and a Sailor as John Dyckman Brown III
• 1944 · 3 Men in White as Dr. Randall Adams
• 1944 · The White Cliffs of Dover as Sam Bennett
• 1944 · Twenty Years After as (archive footage)
• 1943 · A Guy Named Joe as Ted Randall
• 1943 · Madame Curie as Reporter
• 1943 · Pilot #5 as Everett Arnold
• 1943 · Dr. Gillespie's Criminal Case as Dr. Randall Adams
• 1943 · The Human Comedy as Marcus Macauley
• 1942 · Dr. Gillespie's New Assistant as Dr. Randall Adams
• 1942 · Somewhere I'll Find You as Wade Hall
• 1942 · The War Against Mrs. Hadley as Michael Fitzpatrick
• 1942 · For the Common Defense! as Agent Pritchard
• 1942 · Murder in the Big House as Bert Bell
• 1942 · Personalities as (uncredited)
• 1940 · Too Many Girls as Chorus Boy