Leo Gorcey averages 6.39 across 8 rated films as an actor, ahead of William Beaudine at 5.23 as a director.
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
| Clancy Street Boys | 1943 | · | Director | as Ethelbert 'Mugs' McGinnis |
| Ghosts on the Loose | 1943 | 5.0 | Director | as Mugs McGinnis |
| Mr. Muggs Steps Out | 1943 | · | Writer, Director | as Muggs McGinnis |
| Bowery Champs | 1944 | · | Director | as Ethelbert 'Muggs' McGinnis |
| Follow the Leader | 1944 | · | Writer, Director | as Muggs McGinnis |
| Come Out Fighting | 1945 | · | Director | as Mugs McGinnis |
| Mr. Hex | 1946 | · | Director | as Slip Mahoney |
| Spook Busters | 1946 | · | Director | as Slip Mahoney |
| Bowery Buckaroos | 1947 | · | Director | as Slip Mahoney |
| Hard Boiled Mahoney | 1947 | · | Director | as Slip Mahoney |
| News Hounds | 1947 | · | Director | as Terence J. Montgomery 'Slip' Mahoney |
| Angels' Alley | 1948 | · | Director | as Terence 'Slip' Mahoney |
| Jinx Money | 1948 | · | Director | as Terrence 'Slip' Mahoney |
| Smugglers' Cove | 1948 | · | Director | as Terrence 'Slip' Mahoney |
| Blonde Dynamite | 1950 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| Blues Busters | 1950 | · | Director | as Slip Mahoney |
| Lucky Losers | 1950 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| Bowery Battalion | 1951 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| Crazy Over Horses | 1951 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| Ghost Chasers | 1951 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| Let's Go Navy! | 1951 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| Feudin' Fools | 1952 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| Here Come the Marines | 1952 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| Hold That Line | 1952 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| No Holds Barred | 1952 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| Jalopy | 1953 | · | Director | as Terrence Aloysius 'Slip' Mahoney |
| Paris Playboys | 1954 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| High Society | 1955 | · | Director | as Terence Aloysius 'Slip' Mahoney |
| Jail Busters | 1955 | · | Director | as Terence Aloysius 'Slip' Mahoney |
