Hobbs was born in Étretat, France, to Dr. Austin L. Hobbs and Mabel Foote Hobbs. However, he was raised in New York City. Hobbs attended Solebury School in Bucks County, Pennsylvania, and received his bachelor's degree from Bard College in Annandale-on-Hudson, New York. He served in as sergeant in combat engineering during World War II and fought at the Battle of the Bulge.
Good Neighbor Sam
As Phil Reisner
The Andromeda Strain
As General Sparks
Elvis
As Jim Denny
Kentucky Woman
Star Spangled Girl
As Man in Car
The Lady in Red
As Pops Geissler
The Killers
As Instructor
Washington Mistress
As Mr. Parker
Attack on Terror: The FBI vs. the Ku Klux Klan
As Judge Davidson
Nine to Five
As Doctor
Prime Suspect
Loving Couples
As Frank
A Winner Never Quits
As McGregor
Belle Starr
As Jenkins
Sleeper
As Dr. Dean
Scout's Honor
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Heavy Traffic
As Jerry (voice)
Ike
As Admiral with Pointer
Marian Rose White
As Dr. Smith
Flesh & Blood
As Sgt. Corrigan
Any Which Way You Can
As Motel Clerk
The Nine Lives of Fritz the Cat
In the Mood
As The Judge
The Man with Two Brains
As Dr. Brandon
Promises to Keep
As Doctor
The Two Worlds of Jennie Logan
As Old John
Act of Love
As Judge Traviera
Nickel Mountain
As Dr. Costard
The Steagle
As Dr. Payne
Wizards
As General (voice)
Say Goodbye, Maggie Cole
As Pathologist
Call Her Mom
As Trustee #2
But I Don't Want to Get Married!
As Max
Death Sentence
As Judge
The Next One
As Barnaby
The New Interns
As Dr. Duane
Without Her Consent
As Pete Raymond
St. Elsewhere
Mister Ed
Lou Grant
The Andy Griffith Show
As Mr. Tracy
L.A. Law
As Steven Henderson
Alice
Family Ties
As Professor Walter Jenkins
M*A*S*H
As Col. Drake
Remington Steele
As Sam Fischer
Who's the Boss?
Rhoda
The Incredible Hulk
Starsky & Hutch
Little House on the Prairie
The Facts of Life
The F.B.I.
As Giles Barton
The Odd Couple
As Nathaniel Talbot
The Twilight Zone
All in the Family
As Judge Polanski
Quincy, M.E.
Diff'rent Strokes
As Mr. Robinson
Gomer Pyle, U.S.M.C.
The Streets of San Francisco
Marcus Welby, M.D.
As Mr. Craddock
Dynasty
Hill Street Blues
Happy Days
Knots Landing
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Newhart
Kojak
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Hart to Hart
Perry Mason
As Gregory Pelham
Studio One
Lassie
The Secret Storm
The Colbys
Hunter
As Dr. Spender
Crazy like a Fox
As Father Ryan
Run for Your Life
As Henry Gower
9 to 5
Hollywood Beat
The Bronx Zoo
Schlitz Playhouse of Stars
As John Claggart
The Big Valley
As Marshal Steve Macklin
Good Morning, World
The Donna Reed Show
Profiles in Courage
As Lindbergh
Ben Casey
Ellery Queen
As Medical Examiner
Suspense
As Cooper
Joe Forrester
Barney Miller
As Charlie Prevette
The Dick Van Dyke Show
As Captain E. Lebost
The Invaders
As Colonel
Nutcracker: Money, Madness & Murder
Empty Nest
As Dr. Garrison