
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.

The Andromeda Strain
1971 · as General Sparks

Sleeper
1973 · as Dr. Dean

Nine to Five
1980 · as Doctor

Flesh & Blood
1979 · as Sgt. Corrigan

The Man with Two Brains
1983 · as Dr. Brandon

Ike
1979 · as Admiral with Pointer

Good Neighbor Sam
1964 · as Phil Reisner

Any Which Way You Can
1980 · as Motel Clerk

The Killers
1964 · as Instructor

Wizards
1977 · as General (voice)

Call Her Mom
1972 · as Trustee #2

Belle Starr
1980 · as Jenkins

Washington Mistress
1982 · as Mr. Parker

Elvis
1979 · as Jim Denny

Heavy Traffic
1973 · as Jerry (voice)

The Lady in Red
1979 · as Pops Geissler

Special Bulletin
1983 · as Jonathan E. Herman

The Nine Lives of Fritz the Cat
1974 · as (voice)