James Thomas Callahan appeared in more than 120 films and television programs between 1959 and 2007, and is likely best known for playing Walter Powell, the cranky grandfather on television's Charles in Charge
| Episode |
ER Homecoming |
2000 |
| Episode |
Hollywood Beat Out in the Cold |
1970 |
| Episode |
Knight Rider Circus Knights |
1985 |
| Episode |
The Ropers Old Flames |
1980 |
| Episode |
The Golden Girls Goodbye, Mr. Gordon |
1992 |
| Episode |
Promised Land Christmas |
1996 |
| Episode |
Barnaby Jones Counterfall |
1975 |
| Episode |
Dennis the Menace Dennis Runs Away |
1960 |
| Episode |
Stoney Burke Spin a Golden Web |
1962 |
| Episode |
Remington Steele Steele's Gold |
1983 |
| Episode |
Harry and the Hendersons Them Bones |
1993 |
| Episode |
Newhart Still the Beavers |
1985 |
| Episode |
The Untouchables The Economist |
1962 |
| Episode |
Hope and Gloria Love With an Improper Stranger |
1995 |
| Episode |
Cybill Sex, Drugs and Catholicism |
1996 |
| Episode |
The Twilight Zone Ninety Years Without Slumbering |
1963 |
| Episode |
Picket Fences Cross Examination |
1993 |
| Episode |
The F.B.I. Passage Into Fear |
1967 |
| Episode |
Alice Alice and the Acorns |
1982 |
| Episode |
Grindl Grindl and the Counterfeiters |
1963 |
| Episode |
Fame Secrets |
1984 |
| Episode |
The Fugitive The White Knight |
1966 |
| Episode |
ER Something New |
1997 |
| Episode |
Have Gun, Will Travel Don't Shoot the Piano Player |
1962 |
| Episode |
The Fugitive Right in the Middle of the Season |
1966 |
| Episode |
Nurses An Intern-al Affair to Remember |
1991 |
| Episode |
Automan Zippers |
1984 |
| Episode |
Perry Mason The Case of Paul Drake's Dilemma |
1959 |
| Episode |
Amazing Stories (1985) Life on Death Row |
1986 |
| Episode |
Caroline in the City Caroline and the 28 lb. Walleye |
1996 |
| Episode |
Dallas Conundrum (1) |
1991 |
| Episode |
Body & Soul (2002) Second Opinion |
2002 |
| Episode |
Knight Rider Good Day at White Rock |
1982 |
| Episode |
Quincy, M.E. Next Stop, Nowhere |
1982 |
| Episode |
Lou Grant Pack |
1980 |
| Episode |
Perry Mason The Case of the Shapely Shadow |
1962 |
| Episode |
Medium Judge, Jury & Executioner |
2005 |
| Episode |
The Case of the Dangerous Robin Flight to the Desert |
1960 |
| Episode |
Lou Grant Venice |
1981 |
| Episode |
The Californians The Fur Story |
1959 |
| Episode |
The Practice Oz (2) |
1999 |
| Episode |
M*A*S*H Sometimes You Hear the Bullet |
1973 |
| Episode |
Bosom Buddies What Price Glory? |
1981 |
| Episode |
Route 66 City of Wheels |
1962 |
| Episode |
Saints and Sinners Judgement in Jazz Alley |
1962 |
| Episode |
Cannon The Victim |
1975 |
| Episode |
Tales of the Gold Monkey The Sultan of Swat |
1983 |
| Episode |
Body & Soul (2002) Letting Go |
2002 |
| Episode |
Combat! The Squad |
1963 |
| Episode |
My Favorite Martian Unidentified Flying Uncle Martin |
1964 |
| Episode |
Longstreet Eye of the Storm |
1972 |
| Episode |
The Invaders Labyrinth |
1967 |
| Episode |
The F.B.I. The Patriot |
1969 |
| Episode |
The A-Team The Island |
1984 |
| Episode |
The Rockford Files New Life, Old Dragons |
1977 |
| Episode |
Steve Canyon Operation Firebee |
1959 |
| Episode |
The Invaders Nightmare |
1967 |
| Episode |
Quincy, M.E. New Blood |
1980 |
| Episode |
Growing Pains Extra Lap |
1986 |
| Episode |
Lou Grant Drifters |
1981 |
| Episode |
The Time Tunnel One Way to the Moon |
1966 |
