Career
He had a supporting role with eleven appearances as "Deputy Quint" on the series Tombstone Territory, with co-stars Pat Conway, Richard Eastham, and Gilman Rankin. Tombstone Territory began in 1957 on American Broadcasting Company and then switched to syndication in 1959. Sondergaard"s work in westerns included single appearances on Scott Brady"s syndicated Shotgun Slade, Peter Breck"s Black Saddle, Dale Robertson"s Tales of Wells Fargo, Henry Fonda"s and Allen Case"s The Deputy, Richard Boone"s Have Gun - Will Travel, William Bendix"s Overland Trail (as Jack Rance in the 1960 episode "West of Boston"), Clint Eastwood"s Rawhide, Robert Horton"s A Manitoba Called Shenandoah, and Ralph Taeger"s Hondo.
He guest starred twice on Dick Powell"s Zane Grey Theater in the 1959 segments "Trail Incident" and "Heritage" and on National Broadcasting Company"s Wagon Train in episodes "The Old Manitoba Charvanaugh Story" (1959) and "The Albert Farnsworth Story" (1960).
He appeared five times in different roles between 1958 and 1961 on Gene Barry"s National Broadcasting Company series Bat Masterson in episodes entitled "Double Showdown", "Election Day", "Lady Luck", "Dakota Showdown", and "Episode in Eden". He appeared three time on Columbia Broadcasting System"s Gunsmoke, starring James Arness, between 1961 and 1962 in episodes "Potshot", "Nina"s Revenge" and "Catawomper".
He appeared four times between 1966 and 1968 on Robert Conrad"s Columbia Broadcasting System western, The Wild Wild West in episodes "The Night of the Skulls", "The Night of the Surreal McCoy", "The Night of the Cut-Throats", and "The Night of the Headless Woman". From 1966 to 1968, he also appeared seven times on National Broadcasting Company"s The Virginian in episodes "The Outcast", "Yesterday"s Timepiece", "The Girl on the Pinto", "A Small Taste of Justice", "The Decision", "Image of an Outlaw", and "The Heritage".
He also appeared as Hank in the 1960 western film Five Guns to Tombstone with co-star Robert Karnes in the role of Matt Wade.
His first acting role was as "Rambo" (not to be confused the later film character) in the 1951 western picture Badman"s Gold, with a cast of lesser-known names. Sondergaards"s dramatic roles were confined to American Broadcasting Company"s The Untouchables and Ben Casey, National Broadcasting Company"s Dragnet, and the syndicated Highway Patrol, starring Broderick Crawford, and Rescue 8, starring Jim Davis and Language Jeffries. He appeared as a police officer on Fred MacMurray"s My Three Sons sitcom.
Sondergaard"s last television appearances were in 1968 and 1970 on National Broadcasting Company"s Jack Webb-produced Adam-12.
At the time of his death, he resided in Newhall, a district of Santa Clarita in Los Angeles County, California.