Film

No.	Year	Title	Role	Vote Average
1	1969	Heaven with a Gun	Beck's Man (uncredited)	55
2	1969	The Good Guys and the Bad Guys	Tuber (uncredited)	55
3	1971	Support Your Local Gunfighter	Gunman (uncredited)	66
4	1971	Black Noon	Man (as Dave Cass)	61
5	1972	Enter the Devil	Jason Brooks	49
6	1974	Earthquake	Sherriff Merle (uncredited)	61
7	1975	The Master Gunfighter	McDonald	45
8	1976	Royce	Dent (as Dave Cass)	0
9	1977	Mr. Billion	Boss Kidnapper	55
10	1977	The Island of Dr. Moreau	Bearman	56
11	1977	The Goodbye Girl	Drunk	69
12	1978	Police Story: No Margin for Error	Jack Eagle	0
13	1978	Hot Lead & Cold Feet	Jack	59
14	1979	Donovan's Kid	Seaman Dodge	60
15	1979	Americathon	Commando #2	36
16	1979	The Golden Gate Murders	Biker	80
17	1979	Captain America II: Death Too Soon	Milt (uncredited)	38
18	1980	OHMS	Dump Truck Driver	50
19	1980	The Gambler	Winters	60
20	1980	The Secret of Lost Valley	Donnie	0
21	1980	More Wild Wild West	Juanita's Brother	58
22	1980	The Georgia Peaches	Delbert's Henchman	56
23	1980	Heaven's Gate	Moustached Mercenary	68
24	1982	Rascals and Robbers: The Secret Adventures of Tom Sawyer and Huck Finn	Overseer	50
25	1982	Endangered Species	Wes	49
26	1983	Smokey and the Bandit Part 3	Local Tough Guy	44
27	1984	Wet Gold	Expatriate (as Dave Cass)	45
28	1985	Command 5	Longshereman	10
29	1986	Louis L'Amour's Down the Long Hills	Mr. Andy	58
30	1990	Miracle Landing	Man	57
31	1993	Rio Diablo	Winslow	47
32	1998	Everything That Rises	Gunfighter	47
33	2003	Hard Ground	Pike	41

Television

No.	Year	Title	Role	Vote Average
1	1955	Gunsmoke	Brawler (uncredited)	66
2	1959	Bonanza	Deputy Sheriff	75
3	1965	The Wild Wild West	Olin	75
4	1965	The F.B.I.	Patrolman	55
5	1966	Mission: Impossible	Pinari	76
6	1972	The Streets of San Francisco		69
7	1972	The Streets of San Francisco	Wells	69
8	1973	Barnaby Jones	Jimmy Hickok	69
9	1974	The Rockford Files	Casey	75
10	1974	The Rockford Files	Casey (as Dave Cass)	75
11	1975	Starsky & Hutch	Shockley	73
12	1978	Fantasy Island	Fitz	64
13	1979	Buck Rogers in the 25th Century	Major Jason Samos / Pangor	70
14	1980	Magnum, P.I.	Benny	73
15	1981	Simon & Simon	P.I. Elmore	67
16	1981	Simon & Simon	Ashley	67
17	1982	Knight Rider	Alex Webster	76
18	1982	Matt Houston	Jacobs	62
19	1982	Voyagers!	Andrew	75
20	2001	Attila	Third Companion	62