Film

No.	Year	Title	Role	Vote Average
1	1949	Adam's Rib	Court Stenographer (uncredited)	71
2	1950	Key to the City	Francis - Newspaper Photographer (uncredited)	62
3	1950	The Reformer and the Redhead	Leon	63
4	1951	I Can Get It for You Wholesale	Arnold Fisher	58
5	1951	Criminal Lawyer	Sam Kutler	68
6	1951	Behave Yourself!	Max the Umbrella	60
7	1951	Angels in the Outfield	Timothy Durney	67
8	1952	The Fabulous Senorita	Clifford Van Kunkle	60
9	1960	Wake Me When It's Over	Hap Cosgrove	60
10	1963	The Nutty Professor	English Student	65
11	1963	A New Kind of Love	Harry	62
12	1963	It's a Mad, Mad, Mad, Mad World	Irwin	70
13	1965	The Great Race	Frisbee	71
14	1973	The Severed Arm	Mad Man Herman	48
15	1974	Fangs	Brother Joy	51
16	1976	Freaky Friday	Carpet Cleaner	61
17	1980	Midnight Madness	Bonaventure Desk Clerk	57
18	1983	Deck the Halls with Wacky Walls	Stick'um (voice)	100
19	1984	Don't Ask Me, Ask God	Neighbor	0
20	1984	Bad Cat	Mouser (voice)	0
21	1986	Hollywood Vice Squad	Man with Doll	34
22	1988	Top Cat and the Beverly Hills Cats	Choo-Choo (voice)	64
23	1990	Wild at Heart	Uncle Pooch	70
24	1991	Something a Little Less Serious: A Tribute to 'It's a Mad Mad Mad Mad World'	Self	0
25	1991	Delirious	Typewriter Repairman	56
26	1992	Monster in My Pocket: The Big Scream	Vampire (voice)	52
27	1993	Witchboard 2: The Devil's Doorway	Morris	48
28	1994	Revenge of the Nerds IV: Nerds In Love		45
29	1995	O. Ratz: Rat in a Hot Tin Can	Dave D. Fly (voice)	0
30	2009	Dark and Stormy Night	Gunny	59
31	2011	Troupers		0
32	2012	Autism and Cake	Mark	0

Television

No.	Year	Title	Role	Vote Average
1	1951	The Red Skelton Show	Self	74
2	1951	The Red Skelton Show	Self/Alfred Pinzmetal	74
3	1952	The Ford Television Theatre	Marvin	73
4	1953	General Electric Theater	Marvin	63
5	1957	The Lux Show	Self	60
6	1957	DuPont Show of the Month	The Messenger Boy	68
7	1957	Alcoa Theatre	Harry Cooper	65
8	1959	The Many Loves of Dobie Gillis	Mr. Monty W. Milfloss	58
9	1959	The Detectives	Irwin	56
10	1960	My Three Sons	Joe	65
11	1961	Top Cat	Choo Choo (voice)	75
12	1962	The Merv Griffin Show	Self	58
13	1962	McHale's Navy	Kwazniak	67
14	1963	Vacation Playhouse	Marvin	70
15	1963	Petticoat Junction	Stanley	58
16	1963	Bob Hope Presents the Chrysler Theatre	Alvin	57
17	1964	Valentine's Day		0
18	1964	The Baileys of Balboa		65
19	1964	Gomer Pyle, U.S.M.C.	Mr. Kendall	71
20	1965	Gidget		64
21	1965	Honey West	'Byron Manners'	70
22	1965	I Dream of Jeannie	Perkins	78
23	1965	Hank		35
24	1968	The Mod Squad	Sol Alpert	63
25	1969	My World and Welcome to It		55
26	1969	Love, American Style	Arnold	61
27	1969	Love, American Style	The Psychiatrist	61
28	1971	The Chicago Teddy Bears		55
29	1974	Chopper One	Harry	50
30	1974	Kolchak: The Night Stalker	Delgado	76
31	1975	The Lost Saucer		50
32	1976	Alice		71
33	1976	Charlie's Angels	Zobar	67
34	1977	Heyyy, It's the King!	Skids (voice)	75
35	1977	CHiPs	Hilmer Nelson	68
36	1977	We've Got Each Other		50
37	1978	Flying High		45
38	1981	The Fall Guy		76
39	1982	Cagney & Lacey		69
40	1983	Frogger	Shellshock "Shelly" Turtle	0
41	1983	Saturday Supercade	Shelly Turtle (voice)	68
42	1983	Saturday Supercade	Sidney Squirrel (voice)	68
43	1984	Kangaroo	Sidney Squirrel	0
44	1984	1st & Ten	Irv	65
45	1985	MacGyver	The Chess Master	77
46	1987	My Two Dads		63
47	1988	Murphy's Law		50
48	1990	Wake, Rattle, and Roll		60
49	1990	Fender Bender 500	Choo Choo (voice)	60
50	1990	They Came from Outer Space	Dr. Kendall	70
51	1990	Shades of L.A.		60
52	1992	On the Air	Dwight McGonigle	65
53	1994	ER	Kornberg's Father	78
54	1995	What a Cartoon!	Dave D. Fly (voice)	72
55	1998	Becker	Mr. Gordon	72
56	2000	Even Stevens		70