Jeff Daniel Phillips
He is best known for playing a caveman in a popular series of GEICO commercials. He played the part of Maurice in the short-lived Cavemen sitcom on ABC. Other credits to him are Hide (2003), for which he was the director, producer, and co-author in addition to being a cast member; parts in Sneakers and Rob Zombie's Halloween II as Uncle Seymour, The Lords of Salem and 31; and roles in TV series Flaked, Arrest and Trial, Philly, and Profiler. He appeared in the second season of Agents of S.H.I.E.L.D. as David Angar, the Marvel Cinematic Universe version of Angar the Screamer. Description above from the Wikipedia article Jeff Daniel Phillips licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
CSI: Miami
Westworld
Marvel's Agents of S.H.I.E.L.D.
Profiler
Beyond Belief: Fact or Fiction
The Gifted
Dexter: Original Sin
Zodiac
Sneakers
Flaked
Faster
Cavemen
Unknown
An American Pickle
Halloween II
FutureStates
31
The Lords of Salem
Elsewhere
Mosquito
3 from Hell
Peephole
Satanic Panic
Happy Birthday
As You Were
The Ice Cream Truck
No Image
There Shall Come Angels
The Munsters
Christmas Bloody Christmas
Resurrection Road